Paranasal sinus sphenoid sinus. Medical search. Frequent questions

Today, CT is the radiologic examination of choice in evaluating the paranasal sinuses of a patient with sinusitis. (medscape.com)
[ 2 ] However, for most patients with sinusitis, noncontrast CT of the paranasal sinuses generally suffices. (medscape.com)
If this happens, normal drainage of mucus within the sinuses is disrupted, and sinusitis may occur. (wikipedia.org)
These clinical problems can include secondary sinusitis, the inflammation of the sinuses from another source such as an infection of the adjacent teeth. (wikipedia.org)
1] Although no consensus on the precise definition currently exists, acute sinusitis may be defined as a bacterial or viral infection of the sinuses of fewer than 4 weeks' duration that resolves completely with appropriate treatment. (medscape.com)
Recurrent acute sinusitis[2] is diagnosed when 2-4 episodes of infection occur per year with at least 8 weeks between episodes, and, as in acute sinusitis, the sinus mucosa completely normalizes between attacks. (medscape.com)
Air-fluid level (arrow) in the maxillary sinus suggests sinusitis. (medscape.com)
Computed tomography (CT) scanning has poor specificity for the diagnosis of acute sinusitis, demonstrating sinus air-fluid levels in 87% of individuals with simple upper respiratory tract infections (URTIs) and 40% of asymptomatic individuals. (medscape.com)
A surgical means of sinus drainage should be used when appropriate medical therapy has failed to control the infection and prolonged or slowly resolving symptoms result or when complications of sinusitis occur. (medscape.com)
To clarify this, we analyzed samples of paranasal mucosal tissue and nasal polyps from patients with chronic sinusitis for respiratory viruses and atypical bacteria. (cdc.gov)
Sinusitis is inflammation of the paranasal sinuses due to viral, bacterial, or fungal infections or allergic reactions. (merckmanuals.com)
Recurrent sinusitis may require surgery to improve sinus drainage. (merckmanuals.com)
Common risk factors for sinusitis include factors that obstruct normal sinus drainage (eg, allergic rhinitis, nasal polyps, nasogastric or nasotracheal tubes, nasal packing) and immunocompromised states (eg, diabetes, HIV infection). (merckmanuals.com)
Sinusitis, the inflammation or infection of the sinuses, can cause symptoms such as facial pain, nasal congestion, and headaches. (entcet.com)
Sinusitis is the inflammation of the membranes in the mucous lining of paranasal sinuses. (the-alternative-cure.org)
The primary cause of sinusitis is sinus passage congestion because of catarrh. (the-alternative-cure.org)
This blockage can result in infection of the sinus called sinusitis. (actforlibraries.org)
Sinusitis is inflammation of the paranasal sinuses, which are present in and around the face. (ayurvedakenya.com)
Sinusitis Sinusitis is inflammation of the sinuses, most commonly caused by a viral or bacterial infection or by an allergy. (msdmanuals.com)
When one or more paranasal sinuses get irritated or inflamed, such a condition is known as sinusitis. (geekloveshealth.com)
The symptoms of pansinusitis are similar to that of sinusitis as pansinusitis in itself is sinusitis covering all paranasal sinuses. (geekloveshealth.com)
Generalmente se presenta en conjunción con otras sinusitis paranasales. (bvsalud.org)
Isolated sphenoid sinusitis is uncommon. (bvsalud.org)
It usually occurs in conjunction with other paranasal sinusitis. (bvsalud.org)

[ 3 ] The frontal sinuses are funnel-shaped structures with their ostia located in the most dependent portion of the cavities. (medscape.com)
Surrounding the nasal cavities are air-containing mucosal lined sinuses, which include the frontal sinuses (superior anterior), ethmoid sinuses (superior), paired maxillary sinuses (lateral), and sphenoid sinuses (posterior). (nih.gov)
Also known as the paranasal sinuses, our sinuses are connected to our nasal cavities, and include the maxillary, frontal, ethmoid and sphenoid sinuses. (medicinehunter.com)
The paranasal sinuses communicate and open into the nasal cavities. (entcanada.org)
Sinus issues can be painful, and when all four sinus cavities are inflamed, it can be enough to stop you in your tracks. (doctorshealthpress.com)
There are four pairs of cavities connected to our nose, which are known as paranasal sinuses. (doctorshealthpress.com)
When this invader affects all four paranasal cavities on either or both sides of face, it is called pansinusitis. (doctorshealthpress.com)
For those with a deviated nasal septum, normal breathing can be difficult, and the addition of inflammation can affect all sinus cavities. (doctorshealthpress.com)
The empty cavities of the paranasal sinuses act as sound chambers that adjust and intensify discourse and other vocal sounds. (mediflam.com)
The paranasal sinuses are air-filled cavities surrounding the nasal cavity. (entcet.com)
Sinus is mainly composed of chambers or cavities settled in the bone that is located chiefly in the facial region. (the-alternative-cure.org)
Sinuses are air cavities within the facial bones. (actforlibraries.org)
The bones of the face contain the paranasal sinuses, which are hollow cavities that open into the nasal cavity. (selfhealingonline.com)
We all have air filled cavities behind, below, and above our eye socket, known as sinuses, which are connected to the nose. (geekloveshealth.com)

The maxillary sinus is the largest paranasal sinus and lies inferior to the eyes in the maxillary bone. (medscape.com)
The frontal sinus is housed in the frontal bone superior to the eyes in the forehead. (medscape.com)
The sphenoid sinus originates in the sphenoid bone at the center of the head. (medscape.com)
The ethmoid sinuses arise in the ethmoid bone, forming several distinct air cells between the eyes. (medscape.com)
The sinuses are named for the facial bones and sphenoid bone in which they are located. (wikipedia.org)
The frontal sinuses, superior to the eyes, in the frontal bone, which forms the hard part of the forehead. (wikipedia.org)
The ethmoidal sinuses, which are formed from several discrete air cells within the ethmoid bone between the nose and the eyes. (wikipedia.org)
The sphenoidal sinuses, in the sphenoid bone. (wikipedia.org)
Paranasal sinuses form developmentally through excavation of bone by air-filled sacs (pneumatic diverticula) from the nasal cavity. (wikipedia.org)
Coronal CT scan of the paranasal sinuses (Soft Tissue) Coronal CT scan of the paranasal sinuses (Bone) Paranasal sinuses radiograph (occipitofrontal) Paranasal sinuses radiograph (occipitomental) Paranasal sinuses radiograph (lateral) 3D cast of maxillary, frontal, ethmoid and sphenoid sinuses, nasal cavity and hypopharynx. (wikipedia.org)
Our ethmoid sinus is close to the eye and nasal bone, and our sphenoid sinus is towards the back of the nose, just below the base of the brain. (doctorshealthpress.com)
Each choana is bounded medially by the vomer, inferiorly by the horizontal plate of the palatine bone, laterally by the medial pterygoid plate, and superiorly by the body of the sphenoid bone (see figs. 42-12 and 42-13 ). (dartmouth.edu)
Cribriform plate: forms narrow roof of nasal cavity  Sphenoid bone 1. (slideshare.net)
Further, presence of hyper-pneumatized paranasal sinuses or the skull base weakens the bone and predisposes to development of spontaneous defects and further fistulas. (springeropen.com)
This case report highlights two cases of spontaneous CSF leaks associated with hyper-pneumatized petrous bone and sphenoid sinus. (springeropen.com)
A 49-year-old female patient with history of right rhinorrhea with features of hyper-pneumatization of sphenoid bone involving right greater wing of sphenoid bone and bilateral pterygoid process with a bony defect in the right greater wing of sphenoid was demonstrated on CT. (springeropen.com)
Hyper-pneumatized petrous bone and paranasal sinuses can be attributed as a risk factor for formation of spontaneous CSF leaks. (springeropen.com)
In this study, we wish to highlight the existence of spontaneous CSF leak as an entity associated with hyper-pneumatized petrous bone and sphenoid sinus. (springeropen.com)
Sphenoid wing (SW) en plaque meningioma (ePM) is a subgroup of meningiomas defined by its specific character presenting with a rather thin sheath of soft tumor tissue accompanied by disproportionate and extensive bone hyperostosis. (surgicalneurologyint.com)
Hyperostosis of the greater and lesser wings of the sphenoid bone leading in progressive proptosis is the main characteristics of ePM in this location. (surgicalneurologyint.com)
a.Frontal bone b.Sphenoid bone c.Lacrimal bones d.Ethmoid bone e. (assignguru.com)
Jaw, sphenoid bone and other bones contributing to paranasal sinus may present ABC, too. (symptoma.com)
The frontal sinuses are mainly located in the frontal bone. (the-alternative-cure.org)
The expanded sphenoid bone is obliterating the inferior portion of the right cavernous sinus causing a mild lateral convexity. (radiologycases.my)
The paranasal sinuses are hollow, air-filled spaces named for the skull bone that each occupies. (usk.ac.id)
The most anterior is the frontal sinus, located in the frontal bone above the eyebrows. (usk.ac.id)
The most posterior is the sphenoid sinus, located in the body of the sphenoid bone, under the sella turcica. (usk.ac.id)
Sinuses reduce the weight of the facial bones and skull while maintaining bone strength and shape. (msdmanuals.com)
Ethmoidal sinuses are the ones which are present in ethmoid bones and the sphenoid sinuses are located in the sphenoid bone, lying deep inside the skull. (geekloveshealth.com)
Pneumosinus dilatans (PSD) is defined as the hyperaeration and enlargement of a paranasal sinus such that it extends beyond the normal anatomic boundaries of its bone, without defects of the bony sinus walls. (eyewiki.org)

The posterior wall of the frontal sinus, which separates the sinus from the anterior cranial fossa, is much thinner than its anterior wall. (medscape.com)
The sphenoid sinus is supplied by the sphenopalatine artery, except for the planum sphenoidale, which is supplied by the posterior ethmoidal artery. (medscape.com)
Because the maxillary posterior teeth are close to the maxillary sinus, this can also cause clinical problems if any disease processes are present, such as an infection in any of these teeth. (wikipedia.org)
The sphenoid sinus empties into the posterior roof. (nih.gov)
The spheno-ethmoidal recess, above and posterior to the superior concha, receives the opening of the sphenoidal sinus. (dartmouth.edu)
Management of frontal sinus mucoceles with posterior table erosion in the pretransplant cystic fibrosis population. (rush.edu)
Spontaneous CSF leaks may arise from defects in the skull base, in relation to the Tegmen tympani, Tegmen mastoideum, sigmoid sinus and posterior semicircular canal. (springeropen.com)
The cone beam computed tomography (CBCT) exam performed for preoperative planning showed a great extension for the adjacent structures, with proximity to the posterior wall of the maxillary sinus and pterygomaxillary fissure bilaterally. (bvsalud.org)
Imaging studies showed a mass in the sphenoid sinus extending into posterior ethmoid sinus. (turkishneurosurgery.org.tr)

The investigators recommended using windows specific to the sinuses or bones to reduce the chance of missing inflammatory paranasal sinus lesions. (medscape.com)
The paranasal sinuses are air-filled spaces located within the bones of the skull and facial bones. (medscape.com)
The thickness of the walls of the sphenoid sinus is variable, with the anterosuperior wall and the roof of the sphenoid sinus (the planum sphenoidale) being the thinnest bones. (medscape.com)
Humans possess four pairs of paranasal sinuses, divided into subgroups that are named according to the bones within which the sinuses lie. (wikipedia.org)
They are all innervated by branches of the trigeminal nerve (CN V). The maxillary sinuses, the largest of the paranasal sinuses, are under the eyes, in the maxillary bones (open in the back of the semilunar hiatus of the nose). (wikipedia.org)
The bones occupied by sinuses are quite variable in these other species. (wikipedia.org)
The paranasal sinuses are air-filled spaces located within the bones of the skull and face. (medscape.com)
The roof of the nasal cavity is formed by nasal cartilages and several bones, chiefly the nasal and frontal bones, the cribriform plate of the ethmoid (fig. 52-1 ), and the body of the sphenoid. (dartmouth.edu)
The lateral wall is uneven and complicated and is formed by several bones: nasal, maxilla, lacrimal and ethmoid, inferior nasal concha, perpendicular plate of palatine, and medial pterygoid plate of sphenoid (fig. 52-2 A). The lateral wall presents three or four medial projections termed nasal conchae, which overlie passages (meatuses). (dartmouth.edu)
In which of the following bones are paranasal sinuses not found? (assignguru.com)
The Maxillary Sinus is located to either side of the nose in the check bones. (actforlibraries.org)
The bones of the face around the nose contain hollow spaces called paranasal sinuses. (selfhealingonline.com)
The largest are the maxillary sinuses, located in the right and left maxillary bones below the orbits. (usk.ac.id)
The frontal and maxillary sinuses, along with sinuses in the ethmoid and sphenoid bones, collectively form the paranasal sinuses. (easynotecards.com)
The frontal, ethmoid and sphenoid bones have hollow spaces called paranasal sinuses, which lighten the weight of the head and allow a resonant quality to one's voice. (lawyers24-7.com)

You may be experiencing the symptoms of pansinusitis, an inflammation of the sinuses that affects millions of people each year. (geekloveshealth.com)

Although there are reports involving the ethmoid and sphenoid sinuses, the frontal and maxillary sinuses are most frequently involved. (bvsalud.org)

Diseases affecting or involving the PARANASAL SINUSES and generally manifesting as inflammation, abscesses, cysts, or tumors. (rush.edu)
Removal of the thyroid organ (thyroidectomy), treatment of eardrum (tympanic layer) perforations and sinus surgery, endoscopy for pituitary tumors, surgery, mechanical surgery for throat cancer and microsurgery for acoustic neuroma tumors which are complex. (mediflam.com)
It's my pleasure to be with you today and to discuss with you some advanced cases of tumors within the paranasal sinuses. (brainlab.com)
10.5137/1019-5149.JTN.9452-13.0 Extracranial meningiomas of the paranasal sinus are the rare tumors of unclear etiology. (turkishneurosurgery.org.tr)

It remains speculative, however, whether paranasal sinus mucosa represents a site of HBoV persistence. (cdc.gov)
Inflammation of the NASAL MUCOSA in one or more of the PARANASAL SINUSES . (lookformedical.com)

Such limited ventilation may be protective for the sinus, as it would help prevent drying of its mucosal surface and maintain a near-sterile environment with high carbon dioxide concentrations and minimal pathogen access. (wikipedia.org)
Air containing mucosal lined sinuses surround the nasal cavity, which includes the frontal, paired maxillary, sphenoid, and ethmoid sinuses. (nih.gov)
The lateral walls are spiral shaped mucosal folds that overlie the turbinates and sinus ducts draining into the ostia. (nih.gov)
Plain sinus radiographs may demonstrate mucosal thickening, air-fluid levels, and sinus opacification. (medscape.com)
These include a "ball-valve" obstruction of sinus outflow, in which an ostial polyp or other mucosal abnormality allows air in but not out of the sinus, forming a pressure gradient which leads to sinus enlargement. (eyewiki.org)
[1] This theory is supported by reports of mucosal changes at the sinus ostia in PSD, [7] although anatomically, it only explains PSD of the frontal sinuses. (eyewiki.org)

The base width and length of the ACP, complete carotid-clinoid foramen and sella turcica bridge, and sphenoid sinus pneumatization volume were assessed. (unifesp.br)

The nasal cavity also functions to facilitate drainage for the secretions from the adjacent paranasal sinuses. (nih.gov)
Drainage of the involved sinus can be achieved both medically and surgically. (medscape.com)
In today's era of minimally invasive surgical techniques, sinus endoscopy is commonly used to achieve sinus drainage. (medscape.com)
Decongestants, corticosteroid nasal sprays, and application of heat and humidity may help relieve symptoms and improve sinus drainage. (merckmanuals.com)
When the ostium is blocked, drainage of the sinus is inadequate. (actforlibraries.org)
The purpose of the procedure is to open the natural opening of the ostium from the sinus into the nose to provide adequate drainage. (actforlibraries.org)
Drink plenty of fluids this will help in loosening up the flow of the mucous drainage in the sinuses. (actforlibraries.org)
It is often associated with bony expansion due to obstruction of the nasal sinus drainage. (radiologycases.my)
Blockage of normal sinus drainage leads to sinus inflammation and infection. (selfhealingonline.com)

The natural ostium of the maxillary sinus is located in the superior portion of the medial wall. (medscape.com)
The sphenoid sinus ostium is located on the anterosuperior surface of the sphenoid face, usually medial to the superior turbinate. (medscape.com)
The results of experimental studies suggest that the natural ventilation rate of a sinus with a single sinus ostium (opening) is extremely slow. (wikipedia.org)
In an upper respiratory infection (URI), the swollen nasal mucous membrane obstructs the ostium of a paranasal sinus, and the oxygen in the sinus is absorbed into the blood vessels of the mucous membrane. (merckmanuals.com)
The purpose of the cilia is to move mucous that is normally produced by the sinuses towards a tiny opening called the ostium. (actforlibraries.org)

This chapter provides criteria for assessing permanent impairment from entitled conditions of the nose, sinuses and trachea. (gc.ca)
Impairment from malignant conditions of the nose, throat and sinuses is rated within Chapter 18 , Malignant Impairment. (gc.ca)
You just apply the inhaler to your nose, take a nice breath, and the vapors open up the sinuses. (medicinehunter.com)
The function of the sinuses is to expand the surface area of the nose to compliment its duties (warm, humidify, filter air) as well as other rudimentary functions: Shock absorber, resonator, cushion for trauma and decrease weight of head. (entcanada.org)
A low-functioning immune system may also allow the fungi that drift into our nose to cause inflammation in the sinuses. (doctorshealthpress.com)
It also possesses and expectorant action, which helps with the elimination of phlegm and relieves runny nose and plugged nose caused by a sinus infection. (healthysinus.net)
Conversely, sphenoid sinuses lie under the nose. (the-alternative-cure.org)
There are four pairs of sinuses that communicate with the nose called the paranasal sinuses. (actforlibraries.org)
The Sphenoid Sinus is behind the bridge of the nose. (actforlibraries.org)
The Ethmoid Sinus is in the upper nose. (actforlibraries.org)
The air-filled spaces of the nose and sinuses also add resonance to the voice. (msdmanuals.com)
The term includes the external nose , the nasal cavity, and the PARANASAL SINUSES . (lookformedical.com)

Like the nasal cavity, the wall lining of the sinuses also secretes mucus. (nih.gov)
Paranasal sinus mucocele is complete opacification of one or more paranasal sinuses by mucus. (radiologycases.my)
Like the nasal cavity, the sinuses are lined with a mucous membrane composed of cells that produce mucus and have cilia. (selfhealingonline.com)
Incoming dirt particles are trapped by the mucus and then are moved by the cilia into the nasal cavity through small sinus openings (ostia). (selfhealingonline.com)
Ama, the sticky metabolic waste, gets mixed with Shleshaka Kapha in the sinus area, resulting in an even more toxic and sticky mucus called Shleshma, which settles in the area, clogging the sinuse channels. (ayurvedakenya.com)
This reduces the inflammation in the sinuses, kills receptors which are hypersensitive to allergens, Corrects deviated nasal septum, Increases over all health of the Nasal mucus membrane and sinuses. (ayurvedakenya.com)
Inhalation of steam can help relieve sinus congestion as the thick mucus caused by sinuses will come out. (geekloveshealth.com)

What portions of the sphenoid extend laterally from the body of the sphenoid? (freezingblue.com)

Endoscopic management of sphenoid sinus cerebrospinal fluid leaks. (rush.edu)

Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity. (wikipedia.org)
All of these paranasal sinuses, except the sphenoid, communicate with the nasal cavity via ducts that drain through ostia, which empty into spaces located on the lateral wall. (nih.gov)

the ethmoidal sinuses are between the eyes and the sphenoidal sinuses are behind the eyes. (wikipedia.org)
The "Head>Sinuses" System is defined as the paranasal sinuses, which include the frontal, sphenoid, maxillary and ethmoidal sinuses. (loinc.org)

Our maxillary sinus is located on the cheekbone, while our frontal sinus sits directly above the eyes in the forehead. (doctorshealthpress.com)

Innervation of the sphenoid sinus comes from branches of the first and second divisions of the trigeminal nerve. (medscape.com)
The trigeminal nerve and optic nerve, cavernous sinus optic chiasm, pituitary gland, and internal carotid artery are all encircled by the sphenoid sinus, which is located in the sphenoid. (pakistanbmj.com)

The paranasal sinuses are joined to the nasal cavity via small orifices called ostia. (wikipedia.org)
The secretions from these sinuses drain into the nasal cavity via the thin-walled ostia. (nih.gov)
It offers the advantages of (1) being able to open multiple sinuses or to decompress the orbit in cases of complications and (2) allowing the surgeon to open the natural ostia of the involved sinuses. (medscape.com)

Often, one of these paranasal sinuses will become irritated or inflamed by an infection or allergens. (doctorshealthpress.com)

When all four sinuses are affected, a bacterial or viral infection is usually the instigator. (doctorshealthpress.com)
Structural abnormality (Deformities of the nasal septum also referred to as a deviated septum), allergies nasal polyps(As a result of allergies, sinus infections, or aspirin sensitivity, nasalpolyps may develop) and sinus infection. (mediflam.com)
Some folks have a cough and fever with a sinus infection. (healthysinus.net)
Sinus pain can occur anytime throughout a sinus infection. (healthysinus.net)
However, severe pain, redness over the skin, hardened skin over the sinuses, or even a severe headache are not generally normal and can indicate a bacterial infection. (healthysinus.net)
To identify whether the existing sinus problem or infection is acute or chronic. (mfine.co)
Usually when a person's immune level is at the lowest, infection in the sinuses occur, thus causing pansinusitis. (geekloveshealth.com)

Most of the sinuses (frontal, maxillary, anterior and middle ethmoid) drain into the area lateral to the middle turbinate named the osteomeatal complex. (entcanada.org)
Lateral orbitotomy approach for removing hyperostosing en plaque sphenoid wing meningiomas. (surgicalneurologyint.com)

Sinus puncture and irrigation techniques allow for a surgical means of removal of thick purulent sinus secretions. (medscape.com)
This mixture contains anti-inflammatory, anti-allergic and decongestant properties that help to reduce sinus irritation and eliminate secretions. (healthysinus.net)

The roof of the maxillary sinus is the floor of the orbit. (medscape.com)
The nasal cavity is related to the anterior and middle cranial fossae, orbit, and paranasal sinuses and is separated from the oral cavity by the hard palate. (dartmouth.edu)
Sphenoid wing meningiomas extending to the orbit (ePMSW) are currently removed through several transcranial approaches. (surgicalneurologyint.com)

Table 10.2 is used to rate impairment of the paranasal sinuses which include the frontal, ethmoid, sphenoid, and maxillary sinuses. (gc.ca)

A deviated septum can lead to breathing difficulties, snoring, sleep apnea, and increased susceptibility to sinus infections. (entcet.com)
According to Dr. Raymond G. Slavin, Allergist and Immunologist, Internal Medicine Specialist, St. Louis University School of Medicine,"85% of sinus infections are caused by a virus. (actforlibraries.org)
Sinus infections are not contagious. (actforlibraries.org)
Tips to help in the Prevention of Sinus Infections. (actforlibraries.org)
Symptoms of pansinusitis are often similar to those of other sinus infections and can range from mild to severe. (geekloveshealth.com)

If you think you are suffering from a sinus problem, check your symptoms against our list and see if our pansinusitis treatment home remedies are right for you. (doctorshealthpress.com)
Sinus aches and other symptoms are easy to recognize for those who have suffered from the condition. (doctorshealthpress.com)
As we strive to use natural home remedies to combat symptoms, let's take a look at examples of pansinusitis treatments that may help alleviate some of the sinus problems. (doctorshealthpress.com)
What are the symptoms of sinus problems? (mediflam.com)

The mucous membrane lining the sinuses has "cilia" a microscopic hair like projection similar to the lining of the nostrils. (actforlibraries.org)

PSD may affect one or multiple sinuses. (eyewiki.org)

Behind the posteromedial wall of the maxillary sinus lies the pterygopalatine fossa, a small inverted space that houses several important neurovascular structures and communicates with several skull base foramina. (medscape.com)
The frontal (forehead), ethmoids (between the eyes), maxillary (cheeks) and sphenoids (mid base of skull). (entcanada.org)
Paranasal sinus mucoceles with skull-base and/or orbital erosion: is the endoscopic approach sufficient? (rush.edu)
A constellation of extensive pneumatization, arachnoid pits and empty sella plays a role in the pathogenesis of sphenoid sinus fistulae [ 3 ] apart from congenital skull base defects. (springeropen.com)
Sinuses help a lot in reducing the overall weight of the skull. (the-alternative-cure.org)
The sinuses are air filled pockets in the skull. (actforlibraries.org)
METHODS: Between January 1, 2013, and September 6, 2014, 597 skull base computed tomography scans were performed to evaluate inner ear disease in patients with no history of paranasal sinus disease or endonasal surgery. (unifesp.br)
What sinuses can be seen in a midsagittal view of the skull? (freezingblue.com)
In an inferior view of the skull what flat, wing-like structures of the sphenoid can be seen? (freezingblue.com)
This is the first report of the management of spheno-ethmoid sinus meningioma with the skull base surgery technique. (turkishneurosurgery.org.tr)
There are basically four kinds of paranasal sinuses present in the skull as well as facial contour, namely frontal, sphenoid, ethmoid, and maxillary. (geekloveshealth.com)

Following contrast, enhancement of the cavernous sinuses are seen, with no clear demarcation seen between the enhances cavernous sinus and the expanded sphenoid extension. (radiologycases.my)

Sphenoid sinus: hollow space filling body, immediately below hypophyseal fossa 2. (slideshare.net)

While injury-related sinus obstruction may require surgery to relieve, sinus congestion due to colds, flu, allergies or the consumption of some foods can be relieved by natural remedies. (medicinehunter.com)
Often, sinus irrigation with a light salt water solution is sufficient to clear up sinus congestion. (medicinehunter.com)
If you suffer chronic sinus congestion, you might want to try eliminating all milk, cheese, cream, etc for a time, to see if that makes a difference. (medicinehunter.com)
When there is a lot of salt content in your diet, the tendency is that it will attract more water that will increase the congestion in the sinuses. (the-alternative-cure.org)

The infratemporal fossa lies behind the posterolateral wall of the maxillary sinus. (medscape.com)

The sphenoid sinus is variably pneumatized and may extend as far as the foramen magnum in some patients. (medscape.com)

Countless 19th and 20th century anatomists, radiologists, and surgeons have further contributed to advancing the knowledge of sinus anatomy (see the image below). (medscape.com)
The introduction of computed tomography (CT) scanning and its wider use over time have additionally improved the physician's ability to appreciate nuances of paranasal sinus anatomy and accurate disease correlation. (medscape.com)
Mastery of sinus anatomy and its variant features forms the basis from which radiologic interpretation begins. (medscape.com)
Familiarization with the radiologic landmarks and cross-sectional anatomy on patient CT scans, along with clinical correlation, can further enhance the reader's ability to understand sinus CT findings. (medscape.com)
In addition to reviewing the scan to determine the presence of disease, CT scans of the sinuses can also be reviewed to evaluate potential areas of occlusion and variations of the patient's sinus anatomy in the setting of surgical planning. (medscape.com)

In addition, because a subset of PSD patients experience disease onset or rapid progression during puberty, it is thought that pathologic sinus enlargement may occur in response to pubertal hormonal changes in genetically susceptible individuals. (eyewiki.org)
[14] This is particularly common in PSD of the sphenoid or ethmoid sinuses [6] and may occur due to compressive optic neuropathy of the intracanalicular optic nerve. (eyewiki.org)
[15] However, optic neuropathy in PSD may also occur from accompanying meningiomas of the optic nerve sheath rather than from the sinus enlargement itself. (eyewiki.org)

Figure 1: Computed tomography (CT) scan of a patient with pneumosinus dilatans of the right frontal sinus. (eyewiki.org)
Computed tomography evaluation of paranasal sinuses lesions. (pakistanbmj.com)
Yazici D. The Analysis of Computed Tomography of Paranasal Sinuses in Nasal Septal Deviation. (pakistanbmj.com)
Adil R, Qayyum A and Qayyum A. Correaltion of X rays and computed tomography in paranasal sinus diseases. (pakistanbmj.com)

There are 4 pairs of paranasal sinuses. (entcanada.org)
There are four pairs: frontal, sphenoid, maxillary and ethmoid. (easyauscultation.com)

However, a study by Cebula et al indicated that in CT scans of the paranasal sinuses, the use of unsuitable CT-scan windows can lead to inaccurate assessment of sinus pathology. (medscape.com)
MRI or CT scan Paranasal sinuses. (mfine.co)
Prior to surgery, a CT scan of the paranasal sinuses is essential to rule out any potential complications caused by anatomical differences. (pakistanbmj.com)

The headache associated by sinus is usually experienced in the forehead part and below the eyes. (the-alternative-cure.org)
Frontal sinuses are the one which lie above the eye in forehead region. (geekloveshealth.com)

Most anterior ethmoidal cells open on an elevation (ethmoidal bulla, fig. 52-3 B). A curved slit (hiatus semilunaris) inferior to the bulla receives the opening of the maxillary sinus. (dartmouth.edu)

The anterior maxillary sinus wall houses the infraorbital nerve, which runs through the infraorbital canal along the roof of the sinus and sends branches to the soft tissues of the cheek. (medscape.com)
We report a case of primary extracranial meningioma arising from the roof of the sphenoid sinus. (turkishneurosurgery.org.tr)

Additionally, a suspicious focal dehiscence was observed in the right cribriform plate CSF pockets herniating into right ethmoid sinus. (springeropen.com)

On the basis of imaging features and intraoperative findings, the tumor was diagnosed as primary extracranial meningioma of the sphenoethmoid sinus. (turkishneurosurgery.org.tr)

This product is especially good if you are trying to rid yourself of a more chronic sinus problem. (medicinehunter.com)
The association of concha bullosa and deviated nasal septum with chronic rhinosinusitis in functional endoscopic sinus surgery patients. (pakistanbmj.com)

Developmentally, this is the last sinus to pneumatize. (medscape.com)

Xray shows opacification and expansion of affected sinus. (radiologycases.my)

According to CT scans of the participants, 34% of males and 23% of females had more than one sphenoid septum, with 24 men accounting for 20.8 % and 16 female cases (16.8%) having the septum attached to the posterolateral wall of the sinus of the carotid canal. (pakistanbmj.com)
Sphenoidal Air Sinuses Septum Anatomical Variations among Sudanese-A Radiological Study. (pakistanbmj.com)

Anatomy23

Diseases40

Chemicals and Drugs1

Analytical, Diagnostic and Therapeutic Techniques and Equipment11

Disciplines and Occupations1

Technology, Industry, Agriculture1

Health Care1

Sinusitis24

Cavities14

Bone30

Posterior9

Bones15

Inflammation of the sinuses1

Ethmoid and sphenoid sinuses1

Tumors4

Mucosa2

Mucosal6

Sella turcica1

Drainage9

Ostium5

Nose12

Mucus7

Body of the s1

Cerebrospinal fluid1

Spaces2

Ethmoidal sinuses2

Maxillary sinus is located1

Trigeminal nerve2

Ostia3

Irritated or inflamed1

Infection7

Lateral2

Secretions2

Orbit3

Include the frontal1

Infections5

Symptoms4

Mucous membrane1

Multiple sinuses1

Skull11

Cavernous sinus1

Hollow1

Congestion4

Wall of the maxillary sinus1

Foramen1

Anatomy5

Occur3

Computed tomography4

Pairs2

Scan3

Forehead2

Inferior1

Roof2

Cribriform1

Meningioma1

Chronic2

Developmentally1

Opacification1

Septum2