AnatomyDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentHealth Care
Sella TurcicaEmpty Sella SyndromeSphenoid SinusJaw AbnormalitiesTooth Eruption, EctopicCephalometryHypopituitarismPituitary NeoplasmsCerebrospinal Fluid RhinorrheaSphenoid BoneSkull BaseOsteomaSkull Base NeoplasmsCuspidSkull NeoplasmsAnodontiaCavernous SinusBicuspidCraniofacial AbnormalitiesPituitary HormonesPituitary Gland, AnteriorMalocclusion, Angle Class IIIPituitary DiseasesWilliams SyndromeLigamentsAdenomaPituitary GlandCalcinosisMagnetic Resonance ImagingBlotting, Southwestern
Contains the sella turcicaWall of the sellaParasellar regionSphenoid boneBenignHypothalamusSellar lesionsTumorsSkull baseTumorCranialCraniopharyngiomasResectionAnteriorFractureCerebrospinalAdenohypophysisTranssphenoidalHeadachesPosteriorClinicalDiagnosisLateralMassesRadialPredominantlyIntrasellarSuprasellarDiameterEmptyStructuralPatientsTypicallyDimensionsMassSurgicalExtentBaseSmallRadiationImaging
Contains the sella turcica2
  • The sphenoid bone is made up of several parts: a central body that contains the sella turcica, and two greater wings and two lesser wings laterally. (web.app)
  • In the front section of the skull base anterior cranial fossa, which contains the eye sockets and sinuses, the following tumors are more likely: Meningioma Olfactory neuroblastoma esthesioneuroblastoma Paranasal sinus cancer The central compartment of the skull base middle cranial fossa contains the sella turcica, a saddle-shaped bony structure in the skull base where the pituitary gland is located. (serenitylife.us)
Wall of the sella2
  • In this disorder, the sella appears empty because it is filled with cerebrospinal fluid, which flattens the pituitary gland against the wall of the sella. (msdmanuals.com)
  • Invasion of the sphenoidal sinus was in contact with both carotids and the anterior wall of the sella turcica ( Fig. 1 ). (isciii.es)
Parasellar region1
Sphenoid bone1
Benign3
  • A mismatch often occurs in the severity of the symptoms and the relatively benign appearance of the lesions. (medscape.com)
  • PAs are benign neuroendocrine neoplasms confined to the sella. (surgicalneurologyint.com)
  • In a primary empty sella, a defect in the sellar diaphragm allows cerebrospinal fluid to enter and enlarge the sella (50% of patients with a primary empty sella have benign increased intracranial pressure). (pediagenosis.com)
Hypothalamus1
  • Increased prolactin levels possibly indicating a lesion in the hypothalamus or pituitary stalk. (doctorlib.info)
Sellar lesions2
  • 5 ] Approximately 2% of cases with sellar lesions present no SS pneumatization, which increases the difficulty level of endoscopic endonasal transsphenoidal surgery (EES). (surgicalneurologyint.com)
  • The authors aimed to characterize neuroimaging and intraoperative variations in the sagittal and coronal surgical anatomy of healthy controls and patients with sellar lesions. (web.app)
Tumors5
  • Parasellar tumors are growths near the part of the brain known as the sella turcica. (atheistsforhumanrights.org)
  • In the 1990s, a distinct impulse came from the otorhinolaryngologists, with the use of the endoscope in functional endoscopic sinus surgery, disclosing the pathway to the sella turcica and the endoscopic approach for resection of pituitary tumors either alone or as an adjunct to the microneurosurgery. (scielo.br)
  • Current neurodiagnostic and endocrine evaluation for pituitary tumors, empty sella syndrome, and parasellar lesions includes new techniques. (jamanetwork.com)
  • Purpose: Parasellar ectopic pituitary adenomas (pEPAs) are extremely rare tumors located out of the sella turcica. (unige.it)
  • At the end of the nineteenth century, pathologists were intrigued by a strange group of epithelial tumors encountered above and within the sella turcica. (craniopharyngiomas.com)
Skull base2
Tumor5
  • Some experienced neurosurgeons and otorhinolaryngologists have changed to the endoscopic surgery, claiming that this procedure is safer, less invasive, and allows a wider view of the sella turcica, improving tumor resection rates ( 1 1. (scielo.br)
  • 9] evaluated 100 patients with an enlarged sella turcica and the most common cause of its expansion was a primary intrasellar pituitary tumor. (bvsalud.org)
  • A tumor tends to produce an enlarged sella (sella turcica). (msdmanuals.com)
  • The growth of the tumor is restricted to the sella turcica. (symptoma.com)
  • Este estudio tiene como objetivo presentar un caso clínico de un paciente de 33 años, que desarrollaron síntomas de desconexión interhemisférica después de la cirugía para la extirpación del tumor en la región pituitaria y alteraciones en la función ejecutiva y evaluar la aplicabilidad del programa de rehabilitación neuropsicológica para las quejas cognitivas. (bvsalud.org)
Cranial3
  • The caudal border was the plane of soft and hard palate and the cranial border was the sella turcica. (biomedcentral.com)
  • This cranium exhibits significant tuberculosis lesions (about 9) around the cranial vault. (francecasts.com)
  • 30 kg/m 2 , preoperative imaging demonstrating additional cranial base cortical defects (that is, contralateral tegmen or anterior cranial base) and/or an empty sella turcica, and any history of an event that leads to inflammation of the arachnoid granulations and impairment of CSF absorption (that is, meningitis, intracranial hemorrhage, significant closed head injury, and so forth). (medscape.com)
Craniopharyngiomas4
  • Meningiomas, craniopharyngiomas, metastases, and dermoid cysts may also develop in the region of the sella turcica. (merckmanuals.com)
  • Since that time, craniopharyngiomas have been found along the path of development of Rathke's pouch from the pharynx to the floor of the sella, as well as above and within the sella. (craniopharyngiomas.com)
  • Some patients find the noise, confined space, and extended duration of MRI examination uncomfortable, however, and calcified lesions such as craniopharyngiomas may be more easily identified with computed tomography (CT). (bmj.com)
  • Meningiomas, craniopharyngiomas and gliomas are mainly intracranial lesions. (biomedcentral.com)
Resection1
  • The development of new endoscopic instruments providing enhanced visualization has expanded the limitations of the traditional microscopic transsphenoidal approach, thereby facilitating a safe resection of CS lesions. (surgicalneurologyint.com)
Anterior1
  • A Bankart lesion is an injury of the anterior glenoid labrum due to anterior shoulder dislocation. (radiologyassistant.nl)
Fracture2
  • Head trauma may lead to direct pituitary damage by a sella turcica fracture, pituitary stalk section, trauma-induced vasospasm, or ischemic infarction after blunt trauma. (pediagenosis.com)
  • Especially in younger patients this results in a Bankart fracture or a Bankart lesion which is a tear of the anteroinferior labrum. (radiologyassistant.nl)
Cerebrospinal3
  • Asymptomatic patients with an enlarged sella turcica should have an air study to exclude an 'empty sella"syndrome, an anatomical entity in which the pituitary fossa is expanded and partially filled with cerebrospinal fluid owing to the arachnoid herniation, while the pituitary gland is compressed against the posterior rim of the fossa [3]. (bvsalud.org)
  • Care must be taken as the tuberculum sella is approached as there is a fold of dura that comes down with the tuberculum sella and, if this is grabbed with the Kerrison punch, a cerebrospinal fluid (CSF) leak will result. (web.app)
  • Idiopathic intracranial hypertension (IIH), also known as pseudotumor cerebri, is a disorder characterized by increased intracranial pressure (ICP) of unclear pathogenesis, which implies the absence of intracranial mass lesions or clear cerebrospinal fluid (CSF) outflow obstruction [ 1 , 2 ]. (biomedcentral.com)
Adenohypophysis1
Transsphenoidal3
  • Comparative inpatient resource utilization for patients undergoing endoscopic or microscopic transsphenoidal surgery for pituitary lesions. (scielo.br)
  • Endoscopic endonasal transsphenoidal approach: an additional reason in support of surgery in the management of pituitary lesions. (scielo.br)
  • The patient underwent transsphenoidal decompression of the lesion. (nel.edu)
Headaches2
  • Pituitary Lesions Patients with hypothalamic-pituitary lesions generally present with some combination of Symptoms and signs of a mass lesion: headaches, altered appetite, thirst, visual field defects-particularly. (merckmanuals.com)
  • Nevertheless, in rare cases these entities may occur solely as extracranial lesions that may present as intranasal/sinusoidal masses, with headaches and nasal obstruction. (biomedcentral.com)
Posterior1
  • We present a casual disclosure of an abnormal enlarged sella turcica with erosion of posterior clinoid process in an asymptomatic 32-year-old female. (bvsalud.org)
Clinical2
  • Based on the severity of diffuse lesions and owing to the clinical signs of extreme pain, the cat was euthanased. (avmi.net)
  • Clinical charts' consultation of patients diagnosed with parasellar lesions, to identify all subjects fulfilling the diagnostic criteria of parasellar EPAs. (unige.it)
Diagnosis3
  • Although extremely rare, pEPAs need to be considered in the differential diagnosis of parasellar lesions. (unige.it)
  • In this brief overview, the presentation, classification, and general investigation of pituitary lesions is followed by a discussion of the diagnosis and management of specific secretory subtypes. (bmj.com)
  • Idiopathic intracranial hypertension is a diagnosis of exclusion and imaging studies should always be performed to rule out other structural and obstructive lesions. (biomedcentral.com)
Lateral1
  • There was no significant difference between the drainage and embolization groups in terms of age (78 vs 76 years), gender, lateral-ity of lesion, maximum diameter of hematoma (21 vs 19 mm), pretreatment Markwalder grading system (MGS) score (1 vs 1), or length of hospital stay (5 vs 17 days) between the groups. (go.jp)
Masses1
  • Enhancing lesions are divided into three main categories: focus/foci, masses, and areas of non-mass enhancement (1). (radiologyassistant.nl)
Radial2
  • In the event of a radial nerve lesion, these muscles are paralysed. (serenitylife.us)
  • Spiculated margins are frequently a feature of malignant breast lesions and radial scars. (radiologyassistant.nl)
Predominantly1
  • Idiopathic intracranial hypertension, also known as pseudotumor cerebri, is a disorder characterized by increased intracranial pressure of unclear pathogenesis in the absence of other structural and obstructive lesions that is predominantly, although not exclusively, seen in obese women of childbearing age. (biomedcentral.com)
Intrasellar2
  • Serum GH Levels were inappprpriately high.MRI revealed an enlarged sella turcica with intrasellar mass. (nel.edu)
  • Emergent MRI of the sella disclosed an enhancing intrasellar mass of 24×23 mm compressing the optic chiasm. (nel.edu)
Suprasellar1
  • The lesion swells and expands, leading to compression of local suprasellar and parasellar structures. (symptoma.com)
Diameter2
  • The sella dimensions ranges between 5 mm and 16 mm in the anteroposterior diameter and between 4 mm and 12 mm in depth [5, 7]. (bvsalud.org)
  • By definition, microprolactinomas are less than 10 mm in diameter and are contained entirely within the intact sella turcica (fig 1). (bmj.com)
Empty7
Structural1
  • Imaging studies ruled out structural and obstructive lesions as possible causes of her symptoms and lumber puncture results were unremarkable except for an increased opening pressure. (biomedcentral.com)
Patients2
  • In both of these patients the treated lesion had reduced in size, but a new lesion appeared in the contralateral side of the sella turcica. (thejns.org)
  • According to the authors, the course of patients with enlarged sella turcica is variable. (bvsalud.org)
Typically2
  • These lesions are typically stable on follow-up and are considered to be a part of the normal background enhancement pattern in the breast. (radiologyassistant.nl)
  • Bankart lesions are typically located in the 3-6 o'clock position because that's where the humeral head dislocates. (radiologyassistant.nl)
Dimensions1
  • The anteroposterior and depth dimensions of the sella turcica were approximately 22 mm and 18 mm ( figure 1 ), respectively. (bvsalud.org)
Mass1
Surgical1
  • Lesions of the sellar region are commonly encountered by the surgical pathologist. (cap.org)
Extent2
  • Also, the role of computerized axial tomography (CT scanning) in defining size and extent of sellar and parasellar lesions is increasing. (jamanetwork.com)
  • Treatment is with topical or oral antimicrobials, depending on the site and extent of the lesions. (touchinfectiousdiseases.com)
Base1
  • En el año 2006 ha sido indexada en la base de datos de Medline, y se ha convertido en uno de los vehículos de expresión de la medicina española más actuales y modernos. (actasdermo.org)
Small1
Radiation1
  • the origin, natural history, operative removability, response to radiation, and optimal therapy of the lesion have all been topics of debate. (craniopharyngiomas.com)
Imaging1
  • This is despite the high prevalence of occult pituitary adenomas in the general population, the widespread use of high definition imaging techniques, and the broad range of intra- and perisellar lesions that can mimic pituitary adenomas. (bmj.com)