Sphenoid Bone
An irregular unpaired bone situated at the SKULL BASE and wedged between the frontal, temporal, and occipital bones (FRONTAL BONE; TEMPORAL BONE; OCCIPITAL BONE). Sphenoid bone consists of a median body and three pairs of processes resembling a bat with spread wings. The body is hollowed out in its inferior to form two large cavities (SPHENOID SINUS).
Sphenoid Sinusitis
Sphenoid Sinus
Cranial Fossa, Middle
The compartment containing the anterior extremities and half the inferior surface of the temporal lobes (TEMPORAL LOBE) of the cerebral hemispheres. Lying posterior and inferior to the anterior cranial fossa (CRANIAL FOSSA, ANTERIOR), it is formed by part of the TEMPORAL BONE and SPHENOID BONE. It is separated from the posterior cranial fossa (CRANIAL FOSSA, POSTERIOR) by crests formed by the superior borders of the petrous parts of the temporal bones.
Bone and Bones
Tomography, X-Ray Computed
Paranasal Sinus Diseases
Cerebrospinal Fluid Rhinorrhea
Magnetic Resonance Imaging
Bone Remodeling
The continuous turnover of BONE MATRIX and mineral that involves first an increase in BONE RESORPTION (osteoclastic activity) and later, reactive BONE FORMATION (osteoblastic activity). The process of bone remodeling takes place in the adult skeleton at discrete foci. The process ensures the mechanical integrity of the skeleton throughout life and plays an important role in calcium HOMEOSTASIS. An imbalance in the regulation of bone remodeling's two contrasting events, bone resorption and bone formation, results in many of the metabolic bone diseases, such as OSTEOPOROSIS.
Pneumoencephalography
Bone Density
The amount of mineral per square centimeter of BONE. This is the definition used in clinical practice. Actual bone density would be expressed in grams per milliliter. It is most frequently measured by X-RAY ABSORPTIOMETRY or TOMOGRAPHY, X RAY COMPUTED. Bone density is an important predictor for OSTEOPOROSIS.
Neurosciences
Psychoanalysis
The separation or resolution of the psyche into its constituent elements. The term has two separate meanings: 1. a procedure devised by Sigmund Freud, for investigating mental processes by means of free association, dream interpretation and interpretation of resistance and transference manifestations; and 2. a theory of psychology developed by Freud from his clinical experience with hysterical patients. (From Campbell, Psychiatric Dictionary, 1996).
Neurosurgery
Psychoanalytic Theory
Trans-sphenoidal surgery for microprolactinoma: an acceptable alternative to dopamine agonists? (1/182)
AIMS: Reported cure rates following trans-sphenoidal surgery for microprolactinoma are variable and recurrence rates in some series are high. We wished to examine the cure rate of trans-sphenoidal surgery for microprolactinoma, and to assess the long-term complications and recurrence rate. DESIGN: A retrospective review of the outcome of trans-sphenoidal surgery for microprolactinoma, performed by a single neurosurgeon at a tertiary referral centre between 1976 and 1997. PATIENTS: All thirty-two patients operated on for microprolactinoma were female, with a mean age of 31 years (range 16-49). Indications for surgery were intolerance of dopamine agonists in ten (31%), resistance in six (19%) and resistance and intolerance in four (12.5%). Two patients were from countries where dopamine agonists were unavailable. RESULTS: The mean pre-operative prolactin level was 2933 mU/l (range 1125-6000). All but 1 had amenorrhoea or oligomenorrhoea, with galactorrhoea in 15 (46.9%). Twenty-five (78%) were cured by trans-sphenoidal surgery, as judged by a post-operative serum prolactin in the normal range. During a mean follow-up of 70 months (range 2 months to 16 years) there was one recurrence at 12 years. Post-operatively, one patient became LH deficient, two patients became cortisol deficient and two became TSH deficient. Out of 21 patients tested for post-operative growth hormone deficiency, 6 (28.6%) were deficient. Five patients developed post-operative diabetes insipidus which persisted for greater than 6 months. There were no other complications of surgery. The estimated cost of uncomplicated trans-sphenoidal surgery, and follow-up over 10 years, was similar to that of dopamine agonist therapy. CONCLUSION: In patients with hyperprolactinaemia due to a pituitary microprolactinoma, transsphenoidal surgery by an experienced pituitary surgeon should be considered as a potentially curative procedure. The cost of treatment over a 10 year period is similar in uncomplicated cases to long-term dopamine agonist therapy. (+info)Mucocele involving the anterior clinoid process: MR and CT findings. (2/182)
We report two patients with surgically proved mucoceles involving the anterior clinoid process. One patient had a mucocele of an Onodi cell and the other had a mucocele isolated to the anterior clinoid process. The MR signal was increased on both T1- and T2-weighted images in the first patient but was isointense on both sequences in the second patient, a finding that resulted in misdiagnosis. The developmental and anatomic features, as well as the diagnostic pitfalls, are discussed. (+info)On the homology of the alisphenoid. (3/182)
The relationships of the elements of the cavum epiptericum in a hypothetical primitive mammalian precursor are reconstructed, and these are analysed in relation to the development of recent mammals, especially the fruit bat Nyctinomus johorensis. The alisphenoid in mammals is part cartilage bone, part membrane bone. The mammalian homologue of the primitive reptilian processus ascendens appears to be internal to the maxillary nerve. If so, then the 'lamina ascendens', that portion of the alisphenoid of mammals which lies between maxillary and mandibular nerves, cannot be a true processus ascendens but must be neomorphic. It is suggested that the mammalian lamina ascendens arose from an upgrowth of the root of the quadrate ramus of the epipterygoid in cynodonts, separating foramen rotundum from foramen ovale. In Ditremata the alisphenoid is completed by an element of membrane bone; this, it is suggested here, originated as the anterior lamina of the periotic in cynodonts, which is retained in monotremes. It is suggested that the alicochlear commissure of mammals originated as the later flange of the periotic in cynodonts. (+info)Evaluation of CSF leaks: high-resolution CT compared with contrast-enhanced CT and radionuclide cisternography. (4/182)
BACKGROUND AND PURPOSE: Radiologic evaluation of CSF leaks is a diagnostic challenge that often involves multiple imaging studies with the associated expense and patient discomfort. We evaluated the use of screening noncontrast high-resolution CT in identifying the presence and site of CSF rhinorrhea and otorrhea and compared it with contrast-enhanced CT cisternography and radionuclide cisternography. METHODS: We retrospectively reviewed the imaging studies and medical records of all patients who were evaluated for CSF leak during a 7-year period. Forty-two patients with rhinorrhea and/or otorrhea underwent high-resolution CT of the face or temporal bone and then had CT cisternography and radionuclide cisternography via lumbar puncture. The results of the three studies were compared and correlated with the surgical findings in 21 patients. RESULTS: High-resolution CT showed bone defects in 30 of 42 patients (71%) with CSF leak. High-resolution, radionuclide cisternography and CT cisternography did not show bone defects or CSF leak for 12 patients (29%) who had clinical evidence of CSF leak. Among the 30 patients with bone defects, 20 (66%) had positive results of their radionuclide cisternography and/or CT cisternography. For the 21 patients who underwent surgical exploration and repair, intraoperative findings correlated with the defects revealed by high-resolution CT in all cases. High-resolution CT identified significantly more patients with CSF leak than did radionuclide cisternography and CT cisternography, with a moderate degree of agreement. CONCLUSION: Noncontrast high-resolution CT showed a defect in 70% of the patients with CSF leak. No radionuclide cisternography or CT cisternography study produced positive results without previous visualization of a defect on high-resolution CT. CT cisternography and radionuclide cisternography may be reserved for patients in whom initial high-resolution CT does not identify a bone defect or for patients with multiple fractures or postoperative defects. (+info)Dysgenesis of the internal carotid artery associated with transsphenoidal encephalocele: a neural crest syndrome? (5/182)
We describe two original cases of internal carotid artery dysgenesis associated with a malformative spectrum, which includes transsphenoidal encephalocele, optic nerve coloboma, hypopituitarism, and hypertelorism. Cephalic neural crest cells migrate to various regions in the head and neck where they contribute to the development of structures as diverse as the anterior skull base, the walls of the craniofacial arteries, the forebrain, and the face. Data suggest that the link between these rare malformations is abnormal neural crest development. (+info)Evaluation of apical root resorption following extraction therapy in subjects with Class I and Class II malocclusions. (6/182)
The purpose of this study was to determine the amount of root resorption during orthodontic treatment, and to examine the relationship between tooth movement and apical root resorption. Twenty-seven Class I and 27 Class II patients treated with edgewise mechanics following first premolar extractions were selected. The following measurements were made on the pre- and post-treatment cephalograms: upper central incisor to palatal plane distance, the inclination of upper central incisor to the FH and AP planes, the perpendicular distances from the incisor tip to the AP and PTV planes, and incisor apex to PTV. The amount of apical root resorption of the maxillary central incisors was determined for each patient by subtracting the post-treatment tooth length from the pre-treatment tooth length measured directly on cephalograms. Intra-group differences were evaluated by the Student's t-test and inter-group differences by the Mann-Whitney U-test. For correlations the Pearson correlation coefficient was used. The results show that there was a mean of approximately 1 mm (P < 0.01) of apical root shortening in Class I patients, but in Class II division I subjects the mean root resorption was more than 2 mm (P < 0.001). The inter-group differences were statistically significant. No significant correlations were found between the amount of apical root resorption and tooth inclination, or the duration of active treatment. (+info)Age-related expansion and reduction in aeration of the sphenoid sinus: volume assessment by helical CT scanning. (7/182)
BACKGROUND AND PURPOSE: Aeration of the sphenoid sinus expands with the development of the sphenoid bone, but scant detailed volumetric data regarding this process, as it evolves from childhood to old age, exist. Using helical CT scanning, we assessed age-related volumetric changes of the sphenoid sinus. METHODS: We used CT data obtained from 214 patients (age range, 1 to 80 years; 111 male and 103 female subjects) with middle or inner ear disease to assess the extent of sphenoid aeration. We also determined volumes of the sphenoid sinuses on 1.0- or 1.5-mm reformatted images by integrating the sinus air (< or = -900 HU) area. RESULTS: Sphenoid sinus aeration began as a doublet in the anterior boundary of the sphenoid bone by the age of 5 years, with patients more than 6 years old exhibiting varying degrees of aeration. The aeration on both sides continued to expand until the third decade of life. The maximum average volume was 8.2 +/- 0.5 cm3. Thereafter, the volume decreased gradually, with the average volume in the seventh decade of life being 71% of the maximum level. The aeration of the peripheral portions of the sphenoid bone, such as the pterygoid process, anterior clinoid process, and dorsum sella, occurred predominantly after closure of the spheno-occipital suture, and showed a tendency to recede during aging. CONCLUSION: Volumetric assessment of the sphenoid sinus by helical CT scanning revealed age-related expansion and reduction in aeration. (+info)Sphenoid wing meningioma--an unusual cause of duro-optic calcification. (8/182)
Sphenoid ridge is the third commonest site of intracranial meningiomas. Although sphenoid ridge meningiomas often involve the optic canal, calcification along the optic nerve has not been reported with these tumors. We describe CT features of a calcified optic nerve in a patient with a calcified sphenoid ridge meningioma. (+info) Sphenoid sinusitis is an inflammation or infection of the sphenoid sinus, which is a small air-filled cavity located in the skull behind the eye and below the brain. This condition is relatively rare but can cause significant symptoms and complications if left untreated.
The symptoms of sphenoid sinusitis may include:
1. Pain or pressure in the forehead, temple, or cheekbone area.
2. Swelling of the eyelid or eye.
3. Redness of the white part of the eye.
4. Nosebleeds.
5. Coughing up yellow or green mucus.
6. Headaches that worsen when bending forward.
7. Fatigue and fever.
8. Difficulty breathing through the nose.
9. Bad smell from the nose.
10. Pain in the upper teeth or jaw.
The causes of sphenoid sinusitis are similar to those of other types of sinusitis, including viral infections, allergies, and structural issues that obstruct the sinuses. However, sphenoid sinusitis is more likely to be caused by a bacterial infection than other types of sinusitis.
The diagnosis of sphenoid sinusitis is based on a combination of physical examination findings, medical history, and diagnostic tests such as X-rays, CT scans, or MRI scans. Treatment for sphenoid sinusitis usually involves antibiotics to clear the infection, nasal decongestants to reduce swelling, and pain relievers to manage headaches and facial pain. In severe cases, surgery may be necessary to drain the abscess or remove any blockages.
It is important to seek medical attention if symptoms persist or worsen over time, as untreated sphenoid sinusitis can lead to complications such as meningitis, brain abscesses, or osteomyelitis (bone infection). With prompt and appropriate treatment, most people with sphenoid sinusitis can recover completely and resume their normal activities.
Skull Neoplasms are tumors or abnormal growths that occur within the skull. These can be benign (non-cancerous) or malignant (cancerous). Malignant skull neoplasms can spread to other parts of the brain and can be life-threatening.
Examples of Skull Neoplasms include:
1. Meningioma: A benign tumor that arises from the meninges, the protective covering of the brain and spinal cord.
2. Acoustic neuroma: A benign tumor that grows on the nerve that connects the inner ear to the brain.
3. Pineal parenchymal tumors: Tumors that arise in the pineal gland, a small endocrine gland located in the brain.
4. Craniopharyngiomas: Benign tumors that arise near the pituitary gland, which regulates hormone production.
5. Medulloblastoma: A malignant tumor that arises in the cerebellum, a part of the brain that controls movement and coordination.
6. Germ cell tumors: Tumors that arise from immature cells that form in the embryo. These can be benign or malignant.
7. PNETs (primitive neuroectodermal tumors): Malignant tumors that arise from early forms of nerve cells.
8. Astrocytomas: Tumors that arise from the supportive tissue of the brain called astrocytes. These can be benign or malignant.
9. Oligodendrogliomas: Tumors that arise from the supportive tissue of the brain called oligodendrocytes. These can be benign or malignant.
10. Melanotic neuroectodermal tumors: Rare, malignant tumors that contain pigmented cells.
Paranasal Sinus Diseases are a group of conditions that affect the paranasal sinuses, which are air-filled cavities within the skull that drain into the nasal passages. These diseases can cause a range of symptoms including pain and pressure in the face, headaches, congestion, and difficulty breathing through the nose.
The most common paranasal sinus diseases include:
1. Acute Sinusitis: This is an infection of the paranasal sinuses that can be caused by a virus or bacteria. Symptoms include fever, headache, and facial pain or pressure.
2. Chronic Sinusitis: This is a persistent infection of the paranasal sinuses that can last for more than 12 weeks. Symptoms are similar to acute sinusitis, but may be less severe.
3. Rhinosinusitis: This is an inflammation of the nasal passages and paranasal sinuses that can be caused by infection or allergies. Symptoms include nasal congestion, facial pain or pressure, and headache.
4. Nasal Polyps: These are growths that occur in the lining of the nasal passages or paranasal sinuses. They can cause blockage of the nasal passages and sinuses, leading to breathing difficulties and other symptoms.
5. Cerebral Abscess: This is a collection of pus in the brain that can be caused by an infection that spreads from the paranasal sinuses. Symptoms include fever, headache, and neurological problems such as confusion or seizures.
6. Meningitis: This is an infection of the protective membranes (meninges) that cover the brain and spinal cord. It can be caused by bacteria or viruses and can lead to serious complications if left untreated.
7. Osteomyelitis: This is an infection of the bones of the face, which can be caused by spread of infection from the paranasal sinuses. Symptoms include facial pain, swelling, and difficulty moving the affected area.
8. Orbital Cellulitis: This is an infection of the tissues surrounding the eye that can be caused by spread of infection from the paranasal sinuses. Symptoms include protrusion of the eye, swelling of the eyelid, and difficulty moving the affected eye.
9. Endophthalmitis: This is an infection of the interior of the eye that can be caused by spread of infection from the paranasal sinuses. Symptoms include sudden severe pain, redness, and vision loss.
10. Cranial Nerve Palsy: This is a condition where one or more of the cranial nerves are affected by an infection, leading to symptoms such as double vision, drooping eyelid, or weakness of the facial muscles.
It's important to note that these complications can be serious and potentially life-threatening, so it's important to seek medical attention immediately if you experience any of these symptoms. Early diagnosis and treatment can help prevent or reduce the risk of these complications.
Paranasal Sinus Neoplasms:
Paranasal sinus neoplasms refer to tumors or abnormal growths that occur within the paranasal sinuses, which are air-filled cavities within the skull that drain into the nasal passages. These neoplasms can be benign or malignant and can affect various structures in the head and neck, including the sinuses, nasal passages, eyes, and brain.
Types of Paranasal Sinus Neoplasms:
There are several types of paranasal sinus neoplasms, including:
1. Nasal cavity squamous cell carcinoma: This is the most common type of paranasal sinus cancer and arises from the lining of the nasal cavity.
2. Maxillary sinus adenoid cystic carcinoma: This type of tumor is slow-growing and usually affects the maxillary sinus.
3. Esthesioneuroepithelioma: This rare type of tumor arises from the lining of the nasal cavity and is more common in women than men.
4. Sphenoid sinus mucocele: This type of tumor is usually benign and occurs in the sphenoid sinus.
5. Osteochondroma: This is a rare type of benign tumor that arises from the bone and cartilage of the paranasal sinuses.
Symptoms of Paranasal Sinus Neoplasms:
The symptoms of paranasal sinus neoplasms can vary depending on the size, location, and type of tumor. Common symptoms include:
1. Nasal congestion or blockage
2. Headaches
3. Pain or pressure in the face, especially in the cheeks, eyes, or forehead
4. Double vision or other vision problems
5. Numbness or weakness in the face
6. Discharge of fluid from the nose or eyes
7. Swelling of the eyelids or face
8. Coughing up blood
Diagnosis of Paranasal Sinus Neoplasms:
The diagnosis of paranasal sinus neoplasms is based on a combination of physical examination, imaging studies, and biopsy. The following tests may be used to help diagnose a paranasal sinus tumor:
1. Computed tomography (CT) scan or magnetic resonance imaging (MRI): These imaging tests can provide detailed pictures of the paranasal sinuses and any tumors that may be present.
2. Endoscopy: A thin, lighted tube with a camera on the end can be inserted through the nostrils to examine the inside of the nasal cavity and paranasal sinuses.
3. Biopsy: A sample of tissue from the suspected tumor site can be removed and examined under a microscope to confirm the diagnosis.
4. Nasal endoscopy: A flexible tube with a camera on the end can be inserted through the nostrils to examine the inside of the nasal cavity and paranasal sinuses.
Treatment of Paranasal Sinus Neoplasms:
The treatment of paranasal sinus neoplasms depends on the type, location, size, and aggressiveness of the tumor, as well as the patient's overall health. The following are some of the treatment options for paranasal sinus neoplasms:
1. Surgery: Surgical removal of the tumor is often the first line of treatment for paranasal sinus neoplasms. The type of surgery used depends on the location and extent of the tumor.
2. Radiation therapy: Radiation therapy may be used alone or in combination with surgery to treat paranasal sinus neoplasms that are difficult to remove with surgery or have spread to other parts of the skull base.
3. Chemotherapy: Chemotherapy may be used in combination with radiation therapy to treat paranasal sinus neoplasms that are aggressive and have spread to other parts of the body.
4. Endoscopic surgery: This is a minimally invasive procedure that uses an endoscope (a thin, lighted tube with a camera on the end) to remove the tumor through the nostrils or mouth.
5. Skull base surgery: This is a more invasive procedure that involves removing the tumor and any affected bone or tissue in the skull base.
6. Reconstruction: After removal of the tumor, reconstructive surgery may be necessary to restore the natural anatomy of the skull base and nasal cavity.
7. Observation: In some cases, small, benign tumors may not require immediate treatment and can be monitored with regular imaging studies to see if they grow or change over time.
It is important to note that the most appropriate treatment plan for a patient with a paranasal sinus neoplasm will depend on the specific characteristics of the tumor and the individual patient's needs and medical history. Patients should work closely with their healthcare team to determine the best course of treatment for their specific condition.
Cerebrospinal fluid rhinorrhea refers to the abnormal flow of cerebrospinal fluid (CSF) from the nose or sinuses into the nasopharynx or oropharynx. CSF is a clear, colorless liquid that surrounds the brain and spinal cord, providing mechanical support and serving as a barrier against infection.
Causes of cerebrospinal fluid rhinorrhea may include:
1. Skull fracture or depression: Trauma to the skull can cause a tear in the meninges, the membranes that cover the brain and spinal cord, leading to CSF leakage.
2. Spinal tap or lumbar puncture: This medical procedure can sometimes result in a small amount of CSF leaking into the nasopharynx.
3. Infection: Meningitis or encephalitis can cause CSF to leak into the nose and throat.
4. Brain tumors: Tumors in the brain can cause CSF to leak out of the sinuses or nose.
5. Cerebral aneurysm: A ruptured aneurysm in the brain can cause CSF to leak out of the nose or sinuses.
6. Vasculitic diseases: Conditions such as Wegener's granulomatosis or Takayasu arteritis can cause inflammation and damage to blood vessels, leading to CSF leakage.
7. Congenital conditions: Some individuals may have a congenital skull defect or abnormality that allows CSF to escape into the nasopharynx or sinuses.
Symptoms of cerebrospinal fluid rhinorrhea may include:
1. Clear, colorless discharge from the nose or sinuses
2. Thick, sticky discharge or pus in the nose or sinuses
3. Headache, fever, or neck stiffness
4. Nausea, vomiting, or dizziness
5. Weakness or numbness in the face, arms, or legs
6. Seizures or convulsions
7. Change in mental status or consciousness
Diagnosis of cerebrospinal fluid rhinorrhea typically involves a combination of physical examination, imaging studies such as CT or MRI scans, and laboratory tests to rule out other possible causes of nasal discharge. Treatment depends on the underlying cause of the condition and may include antibiotics, anti-inflammatory medications, or surgery to repair any defects or obstructions in the skull or sinuses.
Sphenoid bone
... superior view Sphenoid bone and temporal bones Wikimedia Commons has media related to Sphenoid ... Seen from below (mandible is removed) Seen from above (parietal bones are removed) Shape of sphenoid bone. Facial bones. ... The sphenoid bone is an unpaired bone of the neurocranium. It is situated in the middle of the skull towards the front, in ... The sphenoid bone is one of the seven bones that articulate to form the orbit. Its shape somewhat resembles that of a butterfly ...
Wing of sphenoid bone
... or ala ossis sphenoidalis can refer to: Greater wing of sphenoid bone (ala major ossis sphenoidalis) ... Lesser wing of sphenoid bone (ala minor ossis sphenoidalis) This disambiguation page lists articles associated with the title ... Wing of sphenoid bone. If an internal link led you here, you may wish to change the link to point directly to the intended ...
Spine of sphenoid bone
... marked with black circle Gray, Henry (1918). Gray's Anatomy (20th ed.). p. 150. Anatomy figure: 27:02-04 ... is a downwardly directed process at the apex of the great wings of the sphenoid bone that serves as the origin of the ... Bones of the head and neck, All stub articles, Musculoskeletal system stubs). ...
Body of sphenoid bone
... Dutton, Jonathan J. (February 2, 2010). Radiology of the ... The body of the sphenoid bone, more or less cubical in shape, is hollowed out in its interior to form two large cavities, the ... The lateral surfaces of the body are united with the greater wings of the sphenoid and the medial pterygoid plates. Above the ... These sinuses are two large, irregular cavities hollowed out of the interior of the body of the bone, and separated from one ...
Greater wing of sphenoid bone
... Greater ... The greater wing of the sphenoid bone, or alisphenoid, is a bony process of the sphenoid bone; there is one on each side, ... the greater wing of the sphenoid bone stays through life a separate bone called the alisphenoid. The seven bones that ... The greater wing of the sphenoid bone starts as a separate bone, and is still separate at birth in humans. It causes the ...
Lesser wing of sphenoid bone
... This ... The lesser wings of the sphenoid or orbito-sphenoids are two thin triangular plates, which arise from the upper and anterior ... 1]. In some animals they remain as separate bones called orbitosphenoids. The main features of the lesser wing are the optic ... The anterior border is serrated for articulation with the frontal bone. The posterior border, smooth and rounded, is received ...
Optic canal
The canal is located in the sphenoid bone; it is bounded medially by the body of the sphenoid and laterally by the lesser wing ... Sphenoid bone. Upper surface. Medial wall of left orbit. Dissection showing origins of right ocular muscles, and nerves ... The superior surface of the sphenoid bone is bounded behind by a ridge, which forms the anterior border of a narrow, transverse ... The canals themselves are funnel-shaped (narrowest anteriorly). The seven bones which articulate to form the orbit. ...
Lateral pterygoid muscle
Sphenoid bone. Anterior and inferior surfaces. Mandible. Inner surface. Side view. Plan of branches of internal maxillary ... The upper head originates on the infratemporal surface and infratemporal crest of the greater wing of the sphenoid bone. It ...
Sella turcica
... parietal bones and temporal bones have been removed). Sella turcica shown in red. Hypophysial fossa shown in red. Sphenoid bone ... The sella turcica (Latin for 'Turkish saddle') is a saddle-shaped depression in the body of the sphenoid bone of the human ... The sella turcica is located in the sphenoid bone behind the chiasmatic groove and the tuberculum sellae. It belongs to the ... Large adenomas can cause remodeling of the underlying sphenoid bone altering the shape of the sella turcica.[citation needed] ...
Mylohyoid nerve
The Sphenoid Bone". Skull Base Imaging. Elsevier. pp. 39-64. doi:10.1016/B978-0-323-48563-0.00003-9. ISBN 978-0-323-48563-0. ...
Pterion
... the parietal bone. the squamous part of temporal bone. the greater wing of sphenoid bone. the frontal bone. These bones are ... the coronal suture joins the frontal bone to the sphenoid and parietal bones. the squamous suture joins the temporal bone to ... the sphenofrontal suture joins the sphenoid and frontal bones. the sphenosquamosal suture joins the sphenoid and temporal bones ... The pterion is the region where the frontal, parietal, temporal, and sphenoid bones join. It is located on the side of the ...
Paranasal sinuses
... in the sphenoid bone. They are innervated by the ophthalmic and maxillary nerve (CN V1 and V2). The paranasal sinuses are lined ... The shape of the bones of the facial skull is important because the bones are the attachment points for the facial muscles. ... The sphenoid sinus appears at the age of three, and the frontal sinuses first appear at the age of six, and fully develop ... Tumours of the sphenoid and frontal sinuses are extremely rare. Sinus is a Latin word meaning a "fold", "curve", or "bay". ...
Human nose
The sphenoid sinuses are extensions of the ethmoid sinuses into the sphenoid bones. They begin to develop around two years of ... The frontal sinuses are located in the frontal bone; the sphenoidal sinuses in the sphenoid bone; the maxillary sinuses in the ... This can be due to the absence of one or both nasal bones, shortened nasal bones, or nasal bones that have not fused in the ... is the face of the sphenoid bone. The wall separating the two cavities of the nose, the nasal septum, is made up of bone inside ...
Bone
The bones of the spine, pelvis, and some bones of the skull are irregular bones. Examples include the ethmoid and sphenoid ... Most of the bones of the skull are flat bones, as is the sternum. Sesamoid bones are bones embedded in tendons. Since they act ... Bone tissue is mineralized tissue of two types, cortical bone and cancellous bone. Other types of tissue found in bones include ... cancellous bone at the ends of the bones. Most bones of the limbs, including those of the fingers and toes, are long bones. The ...
Sphenoid wing meningioma
A sphenoid wing meningioma is a benign brain tumor near the sphenoid bone. A meningioma is a benign brain tumor. It originates ... Treatment of sphenoid wing meningiomas often depends on the location and size of the tumor. Gamma knife radiation and ... Sphenoid wing meningiomas are diagnosed by the combination of suggestive symptoms from the history and physical and ... Of all cranial meningiomas, about 20% of them are in the sphenoid wing. In some cases, deletions involving chromosome 22 are ...
Embalming
Commonly the area where the sphenoid and temporal bones meet; this can also be referred to the temples. In the event of trauma ... The treatment of someone who has undergone an autopsy, cases of extreme trauma, or the restoration of a long-bone donor are a ... and are about 5000 years old human bones covered in cinnabar for preservation, but embalming remained unusual in Europe up to ...
Temporal fossa
Medial: frontal bone, parietal bone, temporal bone, and sphenoid bone. Lateral: Temporal fascia Anterior: Posterior surface of ... that arch across the skull from the zygomatic process of the frontal bone to the supramastoid crest of the temporal bone ... the frontal process of the zygomatic bone and the posterior surface of the zygomatic process of the frontal bone. Superior: ... Inferior: Zygomatic arch laterally and by the infratemporal crest of the greater wing of the sphenoid medially. Osteology ...
Basilar skull fracture
... temporal bone, and portions of the sphenoid bone; the latter, superior portions of the sphenoid and ethmoid bones. The temporal ... It is defined as a fracture of one or more of the temporal, occipital, sphenoid, frontal or ethmoid bone. Basilar skull ... Bones may be broken around the foramen magnum, the hole in the base of the skull through which the brain stem exits and becomes ... A basilar skull fracture is a break of a bone in the base of the skull. Symptoms may include bruising behind the ears, bruising ...
Temporal bone
Shape of temporal bone (left). Cranial bones. Sphenoid and temporal bones Glomus jugulare tumor: A glomus jugulare tumor is a ... It separates parietal bone and squama portion of temporal bone. Sphenosquamosal suture. It separates sphenoid bone and squama ... Figure 7 : Temporal bone at birth. Outer aspect. Figure 8 : Temporal bone at birth. Inner aspect. Temporal bone fractures were ... It separates zygomatic bone and zygomatic process of temporal bone. The temporal bone is ossified from eight centers, exclusive ...
Sphenozygomatic suture
Position of two bones, Animation. Sphenoid bone Zygomatic bone Sphenozygomatic suture (blue circle), seen from behind. Side ... Sphenozygomatic suture visible at center, between sphenoid bone, which is colored yellow in the diagram, and the zygomatic bone ... The sphenozygomatic suture is the cranial suture between the sphenoid bone and the zygomatic bone. ... Bones of the head and neck, Cranial sutures, Human head and neck, Joints, Joints of the head and neck, Skeletal system, Skull, ...
Superior orbital fissure
The superior orbital fissure lies between the lesser and greater wings of the sphenoid bone. It is between the optic canal (in ... It lies between the lesser and greater wings of the sphenoid bone. It allows for many structures to pass, including the ...
Filippo Civinini
Civinini's process: The pterygoid processes of the sphenoid bone or processus pterygospinosus. Foramen of Civinini: Foramen ...
Dorsum sellae
The dorsum sellae is part of the sphenoid bone in the skull. Together with the basilar part of the occipital bone it forms the ... In the sphenoid bone, the anterior boundary of the sella turcica is completed by two small eminences, one on either side, ... called the middle clinoid processes, while the posterior boundary is formed by a square-shaped plate of bone, the dorsum sellae ... Bones of the head and neck, All stub articles, Musculoskeletal system stubs). ...
Cerebrospinal fluid rhinorrhoea
Defects are often localized in the sphenoid bone and the ethmoid bone. sphenoid sinus (43%). ethmoid bone (29%). cribriform ... congenital problems with bones of the skull, or inflammation that damages the bones of the skull. If a patient has clear, ... It may be caused by problems in the embryological development of bones of the skull. CSF rhinorrhoea involves drainage of ... Spontaneous CSF rhinorrhoea is the most common acquired defect in the skull base bones (anterior cranial fossa) causing ...
Sphenoparietal suture
Parietal bones (above) and sphenoid bone (below) Side view of the skull. Sphenoparietal suture indicated by the arrow. Left ... The sphenoparietal suture is the cranial suture between the sphenoid bone and the parietal bone. It is one of the sutures that ... Bones of the head and neck, Cranial sutures, Human head and neck, Joints, Joints of the head and neck, Skeletal system, Skull, ... zygomatic bone in situ. (Sphenoparietal suture visible at upper right in blue.) This article incorporates text in the public ...
Sphenomandibular ligament
... it is attached to the spine of the sphenoid bone; inferiorly, it is attached to the lingula of mandible.: 671 The SML acts to ... the SML is attached to the spine of the sphenoid bone (spina angularis.: 671 Inferiorly, it is attached at to lingula of ...
Occipital bone
Between the 18th and 25th years the occipital and sphenoid bone become united, forming a single bone. Trauma to the occiput can ... Frontal bone and parietal bones are removed. Occipital bone Occipital bone Median sagittal section through the occipital bone ... of cortical bone tissue between which is the cancellous bone tissue known in the cranial bones as diploë. The bone is ... The sphenobasilar suture joins the basilar part of the occipital bone and the back of the sphenoid bone body . The petrous- ...
Cebocephaly
... may cause malformations of the sphenoid and ethmoid bones behind the orbit. Cebocephaly can be caused by many ...
Inferior orbital fissure
The inferior orbital fissure is formed by the sphenoid bone and the maxilla. It is located posteriorly along the boundary of ...
Sphenoidal emissary foramen
... and is not always present on both sides of the sphenoid bone (one on each great wing of the sphenoid). In a study conducted ... In the base of the skull, in the great wings of the sphenoid bone, medial to the foramen ovale, a small aperture, the ... "Illustrated Encyclopedia of Human Anatomic Variation: Opus V: Skeletal Systems: Cranium - Sphenoid Bone". Illustrated ... "The morphology and morphometry of the foramina of the greater wing of the human sphenoid bone". Folia Morphologica Warszaw. 64 ...
Infratemporal fossa
posteriorly, by the tympanic part of the temporal bone, and the spina angularis of the sphenoid. superiorly, by the greater ... enters infratemporal fossa from the middle cranial fossa through the foramen ovale of the sphenoid bone. The mandibular nerve ... It is not fully enclosed by bone in all directions. It contains superficial muscles, including the lower part of the temporalis ... This also contains the lingula, a triangular piece of bone that overlies the mandibular foramen antero-medially. Finally, the ...
Skull fracture
... two parietal bones, two temporal bones, one occipital bone, one sphenoid bone, and one ethmoid bone. The bones of the skull are ... Basilar fractures are in the bones at the base of the skull. Linear skull fractures are breaks in the bone that transverse the ... The eight cranial bones are separated by sutures : one frontal bone, ... Skull fractures occur more easily at the thin squamous temporal and parietal bones, the sphenoid sinus, the foramen magnum (the ...
Sphenofrontal suture
The sphenofrontal suture is the cranial suture between the sphenoid bone and the frontal bone. The skull from the side. The ... Bones of the head and neck, Cranial sutures, Human head and neck, Joints, Joints of the head and neck, Skeletal system, Skull, ...
Zygomatic bone
The zygomatic bone articulates with the frontal bone, sphenoid bone, and paired temporal bones, and maxillary bones. The ... is a paired irregular bone which articulates with the maxilla, the temporal bone, the sphenoid bone and the frontal bone. It is ... The bone is also absent in living amphibians. With the exception of turtles, the jugal bone in reptiles forms a relatively ... In coelacanths and early tetrapods the bone is relatively large. Here, it is a plate-like bone forming the lower margin of the ...
Andreas Vesalius
Besides the first good description of the sphenoid bone, he showed that the sternum consists of three portions and the sacrum ... He also disproved the common belief that men had one rib fewer than women and noted that the fibula and tibia bones of the leg ... It was during that time that he developed an interest in anatomy and was often found examining excavated bones in the charnel ... In his extensive study of the skull, Vesalius claimed that the mandible consisted of one bone, whereas Galen had thought it to ...
Clinidae
The name Clinidae derives from the Greek klinein meaning "sloping", a reference to the shape of the sphenoid bone. These genera ...
Pterygoid processes of the sphenoid
In many animals it is a separate bone called the pterygoid bone. The lateral pterygoid plate of the sphenoid (or lateral lamina ... The medial pterygoid plate (or medial pterygoid lamina) of the sphenoid bone is a horse-shoe shaped process that arises from ... In many mammals it remains as a separate bone called the pterygoid bone. Its name is Greek for "resembling a fin or wing", from ... and everted and forms the lateral part of a horseshoe like process that extends from the inferior aspect of the sphenoid bone, ...
Wormian bones
... sometimes exists between the sphenoidal angle of the parietal bone and the great wing of the sphenoid bone. They tend to vary ... Wormian bones, also known as intrasutural bones or sutural bones, are extra bone pieces that can occur within a suture (joint) ... A large wormian bone at lambda is often called an Inca bone (os incae), due to the relatively high frequency of occurrence in ... Wormian bones are a marker for some diseases and important in the primary diagnosis of brittle bone disease: osteogenesis ...
Jean Cruveilhier
... scaphoid fossa of sphenoid bone. Cruveilhier's fascia: superficial fascia of perineum. Cruveilhier's joint: median atlanto- ...
Index of anatomy articles
... somite spasm spasticity specific sensory nucleus of thalamus spermatheca spermatic cord sphenoethmoidal recess sphenoid bone ... symmetry bile duct biology bipolar cells of the retina bitemporal heminopia blastomere blood blood brain barrier body bone bone ... nerve Zygomatic process Zygomatic process of frontal bone Zygomatic process of maxilla Zygomatic process of temporal bone ... P Q R S T U V W X Y Z abdomen abdominal aorta abducens nerve abducens nucleus abducent abducent nerve abduction accessory bone ...
Process (anatomy)
... the petrosal process of the sphenoid bone The uncinate process of the ethmoid bone The jugular process of the occipital bone ... and styloid processes of the temporal bone The zygomatic process of the temporal bone The zygomatic process of the frontal bone ... and sphenoidal processes of the palatine bone The coronoid and condyloid processes of the mandible The xiphoid process at the ... The orbital, temporal, lateral, frontal, and maxillary processes of the zygomatic bone The anterior, middle, and posterior ...
Scaphoid fossa
In the pterygoid processes of the sphenoid, above the pterygoid fossa is a small, oval, shallow depression, the scaphoid fossa ... Bones of the head and neck, All stub articles, Musculoskeletal system stubs). ...
Tensor veli palatini muscle
... from the spina angularis of the sphenoid and from the lateral wall of the cartilage of the auditory tube. Descending vertically ... into the palatine aponeurosis and into the surface behind the transverse ridge on the horizontal part of the palatine bone. The ...
List of medical mnemonics
Blood Cistern Brain Ventricles Bone ABCD: Anterior: look for swelling Bones: examine each bone for fractures Cartilage: look ... Lisch nodules Sphenoid dysplasia Positive family history Optic tumour (glioma) Wet, wobbly, wacky: Wet = urinary incontinence ... bones (rib fractures, lytic bone lesions) Cardiac silhoutte (cardiac enlargement) / costophrenic angles (pleural effusions) ... BLAB: Bone Liver Adrenals Brain ABCDEF: Achalasia Barret's esophagus Corrosive esophagitis Diverticuliis Esophageal web ...
Internal carotid artery
It at first ascends toward the posterior clinoid process, then passes forward by the side of the body of the sphenoid bone, ... of the sphenoid bone. The lacerum portion is still considered "extradural" since it is surrounded by periosteum and ... Farther forward, it is separated from the trigeminal ganglion by a thin plate of bone, which forms the floor of the fossa for ... The petrous segment, or C2, of the internal carotid, is that which is inside the petrous part of the temporal bone. This ...
Giovanni Filippo Ingrassia
He gave the first distinct account of the true configuration of the sphenoid and the ethmoid bone as well as several other ... bones of the head, and has the merit of first describing (1546) the third ear bone, the stapes. His work De tumoribus praeter ...
Skull
... two temporal bones, two parietal bones, the sphenoid, ethmoid and frontal bones. The bones of the facial skeleton (14) are the ... The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. However two parts ... In mammals, the jugal is often called the zygomatic bone or malar bone. The prefrontal bone is a bone separating the lacrimal ... two zygomatic bones, and two lacrimal bones. Some sources count a paired bone as one, or the maxilla as having two bones (as ...
Infratemporal crest
The lateral surface of the greater wing of the sphenoid is convex, and divided by a transverse ridge, the infratemporal crest, ... Bones of the head and neck, All stub articles, Musculoskeletal system stubs). ...
Levator palpebrae superioris muscle
The levator palpebrae superioris originates from inferior surface of the lesser wing of the sphenoid bone, just above the optic ...
Diaphragma sellae
... a part of the sphenoid bone. It has a posterior boundary at the dorsum sellae and an anterior boundary at the tuberculum sellae ...
Carotid groove
The carotid groove is an anatomical groove in the sphenoid bone located above the attachment of each great wing of the sphenoid ... Bones of the head and neck, All stub articles, Musculoskeletal system stubs). ... bone. The groove is curved like the italic letter f, and lodges the internal carotid artery and the cavernous sinus. This ...
Paramylodon
At the frontal bone, the nasal bone protruded far back, so that the suture between the two skull bones was rather V-shaped. In ... so the distended structures were much further apart through the basal phenoid of the sphenoids. Features that link ... the frontal bone represented the largest bone of the entire skull. A strong parietal crest existed between the parietal bones, ... caused by the longer extension of the bone behind the last molar. As in many mylodonts, both flanks of the wing bones were ...
Pterygoid fossa
The lateral and medial pterygoid plates (of the pterygoid process of the sphenoid bone) diverge behind and enclose between them ... term for the fossa formed by the divergence of the lateral pterygoid plate and the medial pterygoid plate of the sphenoid bone ... Bones of the head and neck, All stub articles, Musculoskeletal system stubs). ...
Fontanelle
... between the sphenoid, parietal, temporal, and frontal bones) and more posteriorly the mastoid or posterolateral fontanelle ( ... An infant's skull consists of five main bones: two frontal bones, two parietal bones, and one occipital bone. These are joined ... where the two parietal bones adjoin the occipital bone (at the lambda). The posterior fontanelles ossify within 6-8 weeks after ... Occasionally these bones fail to close, but the dog is still healthy. In these cases, however, the dog's owners need to be very ...
Spheno-maxillary fossa
It is formed above by the under surface of the body of the sphenoid and by the orbital process of the palate bone. Gray's ...
Sphenoid bone hypoplasia is a skeletal phenotype of cleidocranial dysplasia in a mouse model and patients. | Bone;120: 176-186...
In adult mice, the body and medial pterygoid processes of the sphenoid bone comprised mature bones in both Runx2+/+ and Runx2+ ... Although several reports described deformation of the sphenoid bone in CCD patients, details of the associated changes have not ... Sphenoid bone hypoplasia is a skeletal phenotype of cleidocranial dysplasia in a mouse model and patients. ... Most parts of the sphenoid bone are formed by endochondral ossification; however, the medial pterygoid process is formed by ...
Sphenoid Wing Dysplasia: Report Of 3 Cases - PubMed
... most commonly the greater wing of sphenoid. It can occur as an isolated deformity or in Neurofibromatosis-1 (NF1). Features of ... Sphenoidal Dysplasia is the absence of complete or a part of sphenoid bone, ... Sphenoidal Dysplasia is the absence of complete or a part of sphenoid bone, most commonly the greater wing of sphenoid. It can ... Our study is retrospective case series of 3 cases of Sphenoid wing dysplasia. There was 1 case of isolated bone defect, 1 case ...
Sphenoid Bone Determines the Curvature of the Cranial Vault in Postnatal Skull Development in C57BL/6 Mice
In the lateral view, the body of the sphenoid bone is curved in humans and the sphenoid bone in mice is flat. Due to these ... This result means that the cranial vault curvature and the sphenoid bone length are closely related and that sphenoid bone ... 1. Relationship between cranial vault angle and sphenoid bone length. We found that the cranial vault flatness and the sphenoid ... The cranial vault flattening and sphenoid bone length increased with age. The cranial vault curvature and sphenoid base length ...
Epithelioid Osteoblastoma Combined with Aneurysmal Bone Cyst Originating from the Right Temporal Bone and The Greater Wing of...
Upper Respiratory Tract Infection: Practice Essentials, Background, Pathophysiology
Hypertelorism: interorbital growth, measurements, and pathogenetic considerations - PubMed
Sphenoid Bone / pathology Actions. * Search in PubMed * Search in MeSH * Add to Search ... Bulky supernumerary bone of the falx cerebri: case report and literature review. Tetik A, Ben Slama N, Crampon F, Prum G, ... Measurements of hypertelorism may involve soft tissues or bone, and a number of indices have also been proposed. Various types ... Possible pathogenetic mechanisms for hypertelorism include: early ossification of the lesser wings of the sphenoid; failure in ...
Biomarkers Search
Management of bone-invasive, hyperostotic sphenoid wing meningiomas.. Bikmaz K; Mrak R; Al-Mefty O. J Neurosurg; 2007 Nov; 107( ... Intraosseous meningioma of the sphenoid bone.. Van Tassel P; Lee YY; Ayala A; Carrasco CH; Klima T. Skeletal Radiol; 1991; 20(5 ... Meningiomas with skull bone involvement].. Novák Z; Chrastina J; Lzicarová E; Ríha I. Rozhl Chir; 2006 Jun; 85(6):255-9. PubMed ... Diffuse symmetric meningioma en plaque mimicking metabolic disease of bone.. Jung CS; Walrath JD; Hudgins PA; Wojno T. Orbit; ...
Abnormality of the sphenoid sinus - Ontology Report - Rat Genome Database
IndexCat
Neurofibromatosis | National Institute of Neurological Disorders and Stroke
Diagnosing Neurofibromatosis 1, With and Without Genetic Testing
Study of Plexiform Neurofibromas in Neurofibromatosis Type 1
MRCS part 2, 2005: Candidate 46
Temporal bone - wikidoc
Oblique left temporal bone fracture line crossing the mastoid process, into Henles spine and the external auditory canal ( ... The structure of the squama is like that of the other cranial bones: the mastoid portion is spongy, and the petrous portion ... The temporal bones are situated at the sides and base of the skull. ... The temporal bone supports that part of the face known as the temple. ...
Franck FORTERRE | Universität Bern, Bern | UniBe | Vetsuisse Faculty | Research profile
An eccentrically located neoplastic cystic structure in the right sphenoid bone region suggestive... ... Bone formation beyond the skeletal envelope using calcium phosphate granules packed into a collagen pouch - a pilot study ... Endoscopy-assisted resection of a sphenoid-wing meningioma using a 3D-printed patient-specific pointer in a dog: A case report ... In this proof-of-concept, bone neoformation beyond the skeletal envelope is explored by using a collagen pouch (n = 6) packed ...
The Occipital Bone - Human Anatomy
The Cranial Bones. 1. The Occipital Bone - Human Anatomy ... and the occipital and sphenoid form a continuous bone.. ... Articulations. The occipital articulates with six bones: the two parietals, the two temporals, the sphenoid, and the atlas.. ... Between the eighteenth and twenty-fifth years the occipital and sphenoid become united, forming a single bone.. ... Angles. The superior angle of the occipital bone articulates with the occipital angles of the parietal bones and, in the fetal ...
Orthopedic Surgery for Fibrous Dysplasia Treatment & Management: Approach Considerations, Medical Therapy, Surgical Therapy
Abnormalities may involve a single bone (monostotic form; 70% of cases) or many bones (polyostotic form; 30% of cases). ... of bone is a nonheritable disease in which abnormal tissue develops in place of normal bone. ... MR and CT findings of cyst degeneration of sphenoid bone in McCune-Albright syndrome: a case report. Cases J. 2009 Dec 22. 2: ... Vascularised bone grafting for fibrous dysplasia of the upper limb. J Bone Joint Surg Br. 2000 Apr. 82 (3):409-12. [QxMD ...
Skeletal System
6. Sphenoid - note that this bone articulates with every other skull bone except the mandible. It is sometimes called the " ... Bones and Bone Parts Studied in the Laboratory. (Your instructor will indicate your exact assignment) ... B. Skull - Cranial Bones - 8 bones house brain, cranial nerves and cranial blood vessels; dipl e construction.. ... C. Skull - Facial Bones - 14 bones that make up the front of the head ...
Visible Proofs: Forensic Views of the Body: Galleries: Technologies: The 19th-century revolution in forensic imaging
It then coursed obliquely upward and backward through the temporal muscles and the great wing of the sphenoid bone into the ... Such gun-shot wounds have been observed not only on the convexity of arched bones...but also on their concavity. The case ... This is produced when a shot, striking an arched bone obliquely, travels around it. ...
NIH Clinical Center Search the Studies: Study Number, Study Title
MeSH Browser
... and occipital bones (FRONTAL BONE; TEMPORAL BONE; OCCIPITAL BONE). Sphenoid bone consists of a median body and three pairs of ... and occipital bones (FRONTAL BONE; TEMPORAL BONE; OCCIPITAL BONE). Sphenoid bone consists of a median body and three pairs of ... Sphenoid Bone Preferred Concept UI. M0020291. Scope Note. An irregular unpaired bone situated at the SKULL BASE and wedged ... The body is hollowed out in its inferior to form two large cavities (SPHENOID SINUS).. Terms. Sphenoid Bone Preferred Term Term ...
Skull Fracture Lawsuit and Settlement | I Want to Sue for Compensation
orbital fractures (7 bones - ethmoid, maxilla, zygoma, lacrimal, palatine, sphenoid, frontal). *zygomatic complex fractures ( ... A depressed skull fracture is a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward ... depressed skull fracture, a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the ... linear skull fracture, a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone ...
Bassett Collection - Lane Medical Library - Stanford University School of Medicine
PalateHard - CS Extension
Sphenoid bone. ERROR. ERROR. ERROR. ERROR. 745. Floor of nose. Maxillary sinus (antrum). Nasal cavity. Nasopharynx. T4a. T4a. D ... Cortical palatine bone. Maxilla, NOS. Palatine bone, NOS. Cortical bone, NOS (not specified in higher codes). Bone, NOS (not ... Cortical bone is the dense compact outer layer of bone.Trabecular, cancellous, or spongy bone (spongiosa) is a porous network ... Skull base including sphenoid bone other than pterygoid plates. Internal carotid artery (encased). T4b. T4b. D. D. ...
Flo Barnett Coroner's Report
Traveling directly across to the left, it produces a wide crush fracture of the body of the sphenoid bone. it then enters the ... B. Course - skin, right retro-orbital, floor of right middle fossa, sphenoid bone, left (retro) orbit. C. Exit - left temple. D ... Both the hyoid bone and the larynx are intact without fracture. There is no hemorrhage present in the adjacent throat organs ( ... The bone is unremarkable. Lymph nodes throughout the body are small and inconspicuous. ENDOCRINE SYSTEM: The thyroid is bilobed ...
Interpretations of New Evidence in the Pitzer Case
Fracture, comminuted, left parietal and temporal bone (exit). Fracture, comminuted, supraorbital plate, sphenoid bone, left" ... Ball described as having powder burn and muzzle marks, and corresponded to the large defect in the left sphenoid bone. ... But, most significantly, "supraorbital plate, sphenoid bone, left" means "left temple," the location of the wound described in ... Is it possible that he was boning up in preparation for being called as a witness at the trial of Clay Shaw? We will probably ...
Balkan Med J Volume 40(4); 2023 Jul - PMC
NIH Clinical Center Search the Studies: Study Number, Study Title
Dr. Ashish Gupta - Neurosciences, Book Online Appointment, Video Consultation, Check OPD Timings, View Fees | Max Hospital
Research Assignments and Paper Presentation, Case Report Giant Cell Tumour of Sphenoid Bone - A Rare Tumour ... Bone Marrow Transplant (BMT) Brain Stroke Treatment Brain Tumour Surgery Breast Reduction Surgery Cardiac Valve Replacement ... Chemotherapy LVAD Robotic Heart Surgery Kidney Transplant The Da Vinci Xi Robotic System Lung Transplant Bone Marrow Transplant ... Oncology Cardiac Sciences Neuro Sciences Liver Transplant And Biliary Sciences Orthopaedics Nephrology Kidney Transplant Bone ...
DysplasiaFracturesEthmoidSinusFrontalCranial bonesNasalBonyOccipital2023Formed by intramembranousTrabecular boneMeningiomaEndochondralOrbitalInferiorWingsAbnormalTemporal bonesOuterCortexSkull boneSignificantlyUpperInternalCartilage2019FractureAngleInvolvementBaseTermBodyFoundFaceProcessFrontDevelopmentCenterPatientManagementComplex
Dysplasia8
- Sphenoid bone hypoplasia is a skeletal phenotype of cleidocranial dysplasia in a mouse model and patients. (bvsalud.org)
- Sphenoidal Dysplasia is the absence of complete or a part of sphenoid bone, most commonly the greater wing of sphenoid. (nih.gov)
- Our study is retrospective case series of 3 cases of Sphenoid wing dysplasia. (nih.gov)
- There was 1 case of isolated bone defect, 1 case of NF-1 and 1 case of operated Craniofacial Fibrous Dysplasia involving the sphenoid wing. (nih.gov)
- Sphenoid wing dysplasia is a complex deformity requiring multi speciality care and treatment planning. (nih.gov)
- The PROFIDYS study (Oral Bisphosphonate Effect on Osseous Symptoms in Fibrous Dysplasia of Bone), a double-blind study evaluating the long-term safety and results of treatment with an oral bisphosphonate (risedronate), was initiated in 2007 with the aim of evaluating bone pain and the evolution of osteolytic lesions in patients with fibrous dysplasia. (medscape.com)
- Majoor et al evaluated the biochemical (bone turnover markers [BTMs]) and clinical (pain reduction) outcome of bisphosphonate therapy in 11 patients with McCune-Albright syndrome and 30 patients with polyostotic fibrous dysplasia who were treated for a median of 6 years (range, 2-25 y). (medscape.com)
- If surgical treatment is required for fibrous dysplasia in long bones, intramedullary nailing is recommended. (medscape.com)
Fractures2
- Bluish discoloration of the post-auricular region, associated with temporal bone fractures [4] . (wikidoc.org)
- Skull fractures occur when the bone of the skull cracks or breaks. (pritzkerlaw.com)
Ethmoid2
- Facial anomalies were associated with absence of the premaxilla and abnormalities of the midline cranial base, particularly the ethmoid and sphenoid bones. (nih.gov)
- The ethmoid sinuses are located in the ethmoid bone, the bone that divides the nasal cavity from the brain. (healthline.com)
Sinus3
Frontal4
- 2 , 4 ] The cranial vault consists of frontal bones, parietal bones, the squamous parts of the temporal bone, and the interparietal part of occipital bone. (e-jbm.org)
- 21. Primary osteolytic intraosseous meningioma of the frontal bone. (nih.gov)
- In this proof-of-concept, bone neoformation beyond the skeletal envelope is explored by using a collagen pouch (n = 6) packed with calcium phosphate (CaP) granules placed over the frontal bone in sheep (n=3). (researchgate.net)
- Hueso irregular e impar situado en la BASE DEL CRÁNEO y encajado entre los huesos occipital, frontal y temporal. (bvsalud.org)
Cranial bones2
- The structure of the squama is like that of the other cranial bones: the mastoid portion is spongy, and the petrous portion dense and hard. (wikidoc.org)
- The Cranial Bones. (theodora.com)
Nasal1
- Find the area between your nasal bone and the corner of the eyes. (healthline.com)
Bony1
- Chondrosarcomas are most commonly found in the sphenoid bone-the bony ridge running along the back of the eyes. (abta.org)
Occipital3
- the pre-sphenoid and basisphenoid bones are joined by intersphenoid synchondrosis (ISS), and the spheno-occipital synchondrosis (SOS) joins the basisphenoid and occipital bones. (e-jbm.org)
- 129 Occipital bone. (theodora.com)
- The occipital bone (Figs. 129, 130), situated at the back and lower part of the cranium, is trapezoid in shape and curved on itself. (theodora.com)
20231
- Journal of Bone Metabolism 2023;30(1):93-101. (e-jbm.org)
Formed by intramembranous2
- Affected individuals exhibit delayed maturation or hypoplasia in various bones , mainly including those formed by intramembranous ossification . (bvsalud.org)
- 1 ] The cranial base is formed via endochondral bone formation in a manner similar to long bones in the body, while facial bones and cranial vault bones are formed by intramembranous bone formation. (e-jbm.org)
Trabecular bone2
- After birth , well-developed bone trabeculae occupied two-thirds of the cranial side of the medial pterygoid process, and cartilage appeared beneath these bones in Runx2+/+ mice , whereas thin trabecular bone appeared at the center of the cartilage of the medial pterygoid process in Runx2+/- mice . (bvsalud.org)
- CSv2 codes differentiate between involvement of cortical bone and trabecular bone. (facs.org)
Meningioma2
Endochondral1
- intramembranous bone formation and endochondral bone formation. (e-jbm.org)
Orbital1
- 40. Management of spheno-orbital en plaque meningiomas: clinical outcome in a consecutive series of 40 patients. (nih.gov)
Inferior1
- El cuerpo está hueco en su parte inferior, donde se forman dos grandes cavidades (SENO ESFENOIDAL). (bvsalud.org)
Wings1
- Sphenoid bone consists of a median body and three pairs of processes resembling a bat with spread wings. (nih.gov)
Abnormal1
- Abnormal development of the eye socket (sphenoid) or the tibia (one of the long bones of the shin). (nih.gov)
Temporal bones2
- The temporal bones are situated at the sides and base of the skull . (wikidoc.org)
- This word was selected for this illustration because of the position that the temporal bones are in on the human cranium. (posturalrestoration.com)
Outer2
- Note 1: Periosteum is a fibrous membrane that wraps the outer surface of bones. (facs.org)
- Cortical bone is the dense compact outer layer of bone.Trabecular, cancellous, or spongy bone (spongiosa) is a porous network of tissue filling the interior of bone, decreasing weight and allowing room for blood vessels and marrow. (facs.org)
Cortex1
- Note 2: AJCC assigns the T category based on size when bone involvement is limited to the cortex. (facs.org)
Skull bone2
Significantly2
- Moreover, medical-CT examination revealed that in CCD patients , the medial pterygoid process of sphenoid bone was significantly shorter relative to that in healthy young adults . (bvsalud.org)
- The sphenoid bone length and cranial vault angle significantly decreased in the skulls with early fusion of ISS compared to non-fusion skulls. (e-jbm.org)
Upper3
- Additionally, in Runx2+/+ mice , Osterix-positive osteoblastic cells appeared at the upper region of the anlage of the medial pterygoid process, and bone trabeculae appeared to associate with subsequent secondary cartilage formation. (bvsalud.org)
- By contrast, few Osterix-positive osteoblastic cells appeared at the upper region of the anlage of the medial pterygoid process, and no bone trabeculae appeared thereafter in Runx2+/- mice . (bvsalud.org)
- Place your index and middle fingers on the area between the cheek bones and the upper jaw, on either side of the nose. (healthline.com)
Internal2
- Internal fixation of long bones with intramedullary nails may be proposed. (medscape.com)
- Again, the reason "deprived" was chosen is because the left temporal bone usually is deprived of temporal internal rotation and the right one is deprived of temporal external rotation resulting in sidebending lesions of the cranium and rotational constraint through the temporomandibular joints. (posturalrestoration.com)
Cartilage1
- Bones cartilage joints, Face, Nose. (stanford.edu)
20191
- Bone;120: 176-186, 2019 03. (bvsalud.org)
Fracture8
- Axial CT scan showing oblique left temporal bone fracture [1] . (wikidoc.org)
- Oblique left temporal bone fracture line crossing the mastoid process, into Henle's spine and the external auditory canal (surgeon's view) [6] . (wikidoc.org)
- [ 30 ] The most common surgical indications are fracture of a weightbearing bone and progressive disease. (medscape.com)
- A simple fracture is a break in the bone without damage to the skin. (pritzkerlaw.com)
- A linear skull fracture is a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone. (pritzkerlaw.com)
- A depressed skull fracture is a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brain. (pritzkerlaw.com)
- A compound fracture involves a break in, or loss of skin and splintering of the bone. (pritzkerlaw.com)
- A skull fracture (a break in a bone of the head) increases the risk of brain damage, other complications and death. (pritzkerlaw.com)
Angle2
- In this study, we performed geometric morphometric analysis of postnatal growth pattern in the mid-sagittal skulls of C57BL/6N mice from postnatal day (P) 28 to P98, and found 2 distinct geometric morphometric changes in the angle of the cranial vault and the length of sphenoid bone. (e-jbm.org)
- b. feel for hyoid bone in angle of neck and swallow - hyoid is at level of C 3 . (cuny.edu)
Involvement1
- Involvement through cortical bone is required for assignment of T4a. (facs.org)
Base1
- The cranial vault curvature and sphenoid base length showed a positive correlation that was confirmed by comparing the skulls with early fusion and non-fusion of ISS. (e-jbm.org)
Term1
- 37. Spinal extradural en plaque meningiomas: clinical features and long-term outcomes of 12 cases. (nih.gov)
Body1
- In adult mice , the body and medial pterygoid processes of the sphenoid bone comprised mature bones in both Runx2+/+ and Runx2+/- mice , although the axial length of the medial pterygoid processes was apparently lower in Runx2+/- mice as compared with that in Runx2+/+ mice based on histological and micro-computed tomography (CT) examinations. (bvsalud.org)
Found2
- Each one is named after the bones in which they're found. (healthline.com)
- The sphenoid sinuses can be found on the side of the skull in the sphenoid bone, which is behind the nose and between the eyes, just below the pituitary gland. (healthline.com)
Face1
- The temporal bone supports that part of the face known as the temple . (wikidoc.org)
Process1
- These results demonstrated that the medial pterygoid process of the sphenoid bone specifically exhibited hypoplasia in CCD. (bvsalud.org)
Front1
- j. pubic bones on front of pelvis - level of S 4 - S 5 . (cuny.edu)
Development1
- It is suggested that the cranial vault flattening is sphenoid bone length-induced but cranial vault length-independent during postnatal mice skull development. (e-jbm.org)
Center1
- Sphenoid bone visible center right. (wikidoc.org)
Patient1
- There was resolution of pulsatile exophthalmos in patient with sphenoid and temporal bone defect. (nih.gov)
Management1
- 32. Management of bone-invasive, hyperostotic sphenoid wing meningiomas. (nih.gov)
