Computed tomography frontal sinusitis bone paranasal sinuses. Medical search. Frequent questions

Sinusitis is an inflammation of the mucosal lining of the paranasal sinuses. (medscape.com)
MATERIALS AND METHODS: In 30 patients suspected of having or known to have inflammation of the paranasal sinuses, both coronal CT and coronal T1-weighted, three-dimensional, gradient-echo MR imaging of the paranasal sinuses were performed. (vrad.com)
Brain abscess (or cerebral abscess) is an abscess within the brain tissue caused by inflammation and collection of infected material coming from local (ear infection, dental abscess, infection of paranasal sinuses, infection of the mastoid air cells of the temporal bone, epidural abscess) or remote (lung, heart, kidney etc.) infectious sources. (wikipedia.org)
Barosinusitis is characterized by inflammation of one or more of the paranasal sinuses, with inflammation being caused by a pressure gradient, almost always negative, between the sinus cavity and the surrounding ambient environment. (medscape.com)
Sinusitis is characterized by inflammation of the lining of the paranasal sinuses. (medscape.com)
Inflammation of the sinuses causes secretions to leak from the nose to the throat, with chronic throat irritation, sputum and irritating cough. (atlasklinika.com)
Inflammation of the sinus mucosa occurs as a complication of an allergic reaction, respiratory infection caused by microorganisms, poor anatomical relations in the nose, and spread of bacterial infection from the tooth root, etc. (atlasklinika.com)
Inflammation of the sinuses prevents the proper circulation of air through the Eustachian tube and leads to inflammation of the ear with a feeling of pressure in the ear and deafness. (atlasklinika.com)
In addition to nasal inflammation and sinusitis, tumors that require urgent diagnosis and treatment are also possible. (atlasklinika.com)
Sinusitis simply means inflammation of the sinuses, but this gives little indication of the misery and pain this condition can cause. (energytechhvac.com)
Pain when the forehead over the frontal sinuses is touched may indicate inflammation of the frontal sinuses. (energytechhvac.com)
Since the ethmoid sinuses are near the tear ducts in the corner of the eyes, inflammation of these cavities often causes swelling of the eyelids and tissues around the eyes and pain between the eyes. (energytechhvac.com)
Sinusitis - acute inflammation of the paranasal sinuses, divided into sinusitis (inflammation of sinuses), sinusitis (frontal sinus), sphenoidal (sphenoid sinus) andethmoiditis (inflammation of the ethmoid cells). (vsebolezni.com)
Furthermore, on CT scans, orbital cellulitis would present with evidence of inflammation rather than a hyperdense mass in the nasal sinuses. (consultant360.com)
Sinusitis , also known as rhinosinusitis , is inflammation of the mucous membranes that line the sinuses resulting in symptoms. (mdwiki.org)

As the mucosa of the sinuses is continuous with that of the nose, rhinosinusitis is a more suitable term. (medscape.com)
Because the nasal mucosa is simultaneously involved, and because sinusitis rarely occurs without concurrent rhinitis, rhinosinusitis is the preferred term for this condition. (medscape.com)
Sinonasal polyposis (SNP) is a term used to describe an inflammatory condition of the mucosa surface of the nasal mucosa and paranasal sinuses 1, 2. (bjorl.org)

This depiction includes fluid levels and polypoid masses within the normally air-filled cavities of the sinuses, nasal cavity, and postnasal space. (medscape.com)
The sinus cavities , proper term paranasal sinuses , are hollow air-filled cavities in the skull located around the nasal cavity. (healthysinus.net)
It makes sense to assume that the term sinuses refers to only two sinus cavities, one for each side of your nose. (healthysinus.net)
The truth is, you actually have 4 different pairs of sinus cavities in your head. (healthysinus.net)
The paranasal sinuses also communicate with the nasal cavities. (vetbloom.com)
On radiographs, increased soft tissue opacification of the nasal cavities and paranasal sinuses, along with bone lysis of turbinates and paranasal sinuses may be seen in both conditions. (vetbloom.com)
[ 3 ] The frontal sinuses are funnel-shaped structures with their ostia located in the most dependent portion of the cavities. (medscape.com)
Endoscopic sinus and paranasal cavities surgery-Fess, is available at Atlas Hospital. (atlasklinika.com)
A large number of diseases of the nose and paranasal cavities are successfully treated with drug therapy. (atlasklinika.com)
Endoscopic operations of the nose and paranasal cavities (FESS - Functional endoscopic sinus surgery) are successfully performed by ENT surgery specialists at Atlas General Hospital. (atlasklinika.com)
The sinuses are cavities in the bones of the face, lined with mucous membranes whose main function is to create mucus or secretions. (atlasklinika.com)
These are chronic, slow-growing formations, which can occur in any of the sinus cavities. (atlasklinika.com)
When people say, "I'm having a sinus attack," they usually are referring to symptoms in one or more of four pairs of cavities, or spaces, known as paranasal sinuses. (energytechhvac.com)
These cavities, located within the skull or bones of the head surrounding the nose, include the frontal sinuses over the eyes in the brow area, the maxillary sinuses inside each cheekbone, the ethmoids just behind the bridge of the nose and between the eyes, and behind them, the sphenoids in the upper region of the nose and behind the eyes. (energytechhvac.com)
Beyond anterior rhinoscophy and nasal endoscopy, screening sinus computed tomography (SSCT) is necessary to measure the size and the extent of the polyps into nasal cavities and paranasal sinuses. (bjorl.org)

There are 3 types of noninvasive fungal sinusitis (fungal ball, saprophytic fungal sinusitis, and allergic fungal rhinosinusitis) and 3 types of invasive fungal sinusitis (acute invasive rhinosinusitis, chronic invasive rhinosinusitis, and granulomatous invasive sinusitis). (medscape.com)
A screening sinus CT scan is adequate for diagnosis and less expensive than other methods but is necessary only in cases of treatment failure or chronic rhinosinusitis. (medscape.com)
Computed tomography scanning is the preferred imaging method for rhinosinusitis. (medscape.com)
The retained discharge in the paranasal sinuses secondary to rhinosinusitis that follows the disease hinders SNP staging. (bjorl.org)

One month after completing adjuvant chemotherapy, the patient developed a nasal encephalocele, bilateral maxillary sinusitis, and frontal lobe radiation necrosis resulting in herniation of the left frontal lobe into the nasal cavity, for which maxillary antrostomy, nasal endoscopy with resection of nasal encephalocele, and reconstruction of the anterior skull base were performed. (appliedradiationoncology.com)
We report a case of chronic maxillary sinusitis caused by denture lining material entering through an oroantral fistula after tooth extraction. (opendentistryjournal.com)
Under diagnosis of maxillary sinusitis caused by a foreign body, endoscopic maxillary surgery was performed simultaneously with the removal of the foreign body. (opendentistryjournal.com)
Maxillary sinusitis is occasionally odontogenic because of the anatomic juxtaposition of the teeth and maxillary sinus. (opendentistryjournal.com)
Odontogenic sources once accounted for approximately 10 to 12% of all maxillary sinusitis cases [ 1 ]. (opendentistryjournal.com)
Maxillary sinusitis secondary to the presence of foreign bodies is an unusual clinical complication [ 4 ]. (opendentistryjournal.com)
This paper reports a rare case of chronic maxillary sinusitis caused by denture lining material entering through an oroantral fistula, which was successfully treated endoscopically. (opendentistryjournal.com)
The right chronic maxillary sinusitis was identified in X-ray findings by her family doctor several years ago. (opendentistryjournal.com)
Delayed maxillary sinusitis after orbital floor repair. (uchicago.edu)

These rather unassuming pockets in the skull bone may have several important functions and are also prone to diseases that affect the nasal cavity. (healthysinus.net)
In 1976, McClure referred that there were characteristic abnormalities suggestive of SNP at CT scan that could help the differential diagnosis of other diseases that affect the nasal fossa and paranasal sinuses. (bjorl.org)

The 2005 AAAAI practice parameter states that the optimal technique for evaluating the ethmoid sinuses and for preoperative evaluation of the nose and paranasal sinuses, including assessment of the ostiomeatal complex areas, is CT. (medscape.com)

In general, nonenhanced CT scans suffice in cases of uncomplicated sinusitis. (medscape.com)
On CT scans, it is difficult or impossible to differentiate tumor tissue from retained fluid in sinuses, where the drainage of a sinus is blocked by obstruction from the tumor. (medscape.com)
3, 4] Computed tomography (CT) scans are considered the criterion standard for imaging assessment of barosinusitis. (medscape.com)
Upon arrival to the ED, the patient's MRI scans were reviewed, and a computed tomography (CT) scan of her orbits was obtained, the results of which showed mass effect in the right sphenoethmoidal sinus complex and right clinoid process, both of which were expanded with hyperdense material ( Figures 1 and 2 ). (consultant360.com)
Taylor A, Habib AR, Kumar A, Wong E, Hasan Z, Singh N . An artificial intelligence algorithm for the classification of sphenoid sinus pneumatisation on sinus computed tomography scans. (ents.com.au)
Computed tomography (CT) scans confirmed the findings with the suspicion diagnosis of a frontal sinus mucocele. (biomedcentral.com)
Frontal (a) and lateral (b) three-dimensional reconstructed computed tomography scans demonstrating diffuse, bilateral, expansile, multilocular lucencies in the mandible, with a soap-bubble appearance. (sajr.org.za)

Now consider the same flight in someone who has an upper respiratory tract infection (URTI) with tissue edema and secretions blocking the natural sinus ostia. (medscape.com)
Important to note is that this sample must be taken from the cavity of a paranasal sinus, not nasal secretions, cultures from which are considered useless. (medscape.com)
Air trapped within an obstructed sinus, along with pus or other secretions, may cause pressure on the sinus wall. (energytechhvac.com)

Orbital cellulitis can develop as a complication of acute bacterial sinusitis and can present with vision changes. (consultant360.com)

A complete sinus CT scan with frontal and coronal planes is used if an alternative diagnosis (eg, tumors) must be excluded. (medscape.com)
A computed tomographic scan demonstrated a mass in the superior orbit with destructive changes in the left frontal bone. (bvsalud.org)
In pre-surgical assessment, computed tomography scan (CT) becomes indispensable 15, since it is ideal to delimit the delicate infundibulum-bone complex, bone structure of orbital lamina, orbital floor, cribiform lamina and the anatomical variations 16. (bjorl.org)
Many studies referred to CT scan abnormalities found in inflammatory processes (acute or chronic) and tumors in nasal fossa and paranasal sinuses. (bjorl.org)
There was no evidence of a connection of this sinonasal meningioma to other intracranial masses, as indicated in CT scan in bone window and MR imaging (Fig. 2 ). (biomedcentral.com)
CT scan in bone window (A, D) reveals a soft tissue mass in the left frontal sinus without any signs of bone destruction or reaction. (biomedcentral.com)
The radiological findings demonstrated on a radiograph ( Figure 1 ) and a computed tomography (CT) scan ( Figures 2 and 3 ) of the mandible were in keeping with a diagnosis of cherubism. (sajr.org.za)
Axial computed tomography scan at the level of the mandible and inferior alveolar process, demonstrating diffuse, bilateral, expansile, multilocular lucencies in the mandible, with a soap-bubble appearance. (sajr.org.za)

and infection of the frontal and ethmoid sinuses usually results in collection in the subdural sinuses. (wikipedia.org)
Limitations of plain films include interobserver variability, inability to distinguish infection from a polyp or tumor disease, and poor depiction of the ethmoid and sphenoid sinuses. (medscape.com)
Therefore, anything that causes a swelling in the nose-an infection or an allergic reaction-also can affect the sinuses. (energytechhvac.com)
Infection in the maxillary sinuses can cause the upper jaw and teeth to ache and the cheeks to become tender to the touch. (energytechhvac.com)
Although the sphenoid sinuses are less frequently affected, infection in this area can cause earaches, neck pain, and deep aching at the top of the head. (energytechhvac.com)
Most apparently healthy people harbor bacteria, such as Streptococcus pneumoniae and Haemophilus influenzae, in their upper respiratory tracts with no ill effects until the body's defenses are weakened or drainage from the sinuses is blocked by a cold or other viral infection. (energytechhvac.com)
The bacteria that may have been living harmlessly in the nose, throat, or sinus area can multiply and cause an acute sinus infection. (energytechhvac.com)
In this case, it can be a symptom of the General reaction of the body to infection or the result of pathological changes directly in paranasal sinuses, ear or mucous membrane of the nose. (vsebolezni.com)
Sinusitis can be caused by infection , allergies , air pollution , or structural problems in the nose. (mdwiki.org)
Another possible complication is the infection of the bones ( osteomyelitis ) of the forehead and other facial bones - Pott's puffy tumor . (mdwiki.org)
People with migraines do not typically have the thick nasal discharge that is a common symptom of a sinus infection. (mdwiki.org)

Functional endoscopic sinus surgery (FESS) has revolutionized the treatment of sinusitis. (medscape.com)
The therapeutic benefits of FESS have helped a large number of patients with chronic sinus disease. (medscape.com)
Computer-assisted navigation is increasingly used in functional endoscopic sinus surgery (FESS) to prevent injury to vital structures, necessitating preparative CT and, thus, radiation exposure. (ajnr.org)
Image-guided navigation systems are increasingly used for minimally invasive techniques like functional endoscopic surgery of the paranasal sinuses (FESS) 1 , 2 and other ear, nose, and throat (ENT) surgical procedures 3 - 5 or in neurosurgery. (ajnr.org)

CT scanning is characteristic in allergic fungal sinusitis and is one of the major criteria for diagnosis. (medscape.com)
Given the patient's history of chronic allergies, coupled with the imaging findings of an expansive hyperdense mass, the differential was narrowed to a chronic fungal process with an allergic component, most likely allergic fungal sinusitis (AFS). (consultant360.com)

Tumors or cancer of the PARANASAL SINUSES . (lookformedical.com)
Tumors or cancer of the MAXILLARY SINUS . (lookformedical.com)
It is important to bear in mind that other nasal fossa and paranasal sinuses tumors can be macroscopically similar to SNP, even though they are rarely bilateral. (bjorl.org)

Magnetic resonance imaging (MRI) is generally reserved for the evaluation of any complications of local sinus infections, particularly suspected intracranial extension. (medscape.com)
however, they should be obtained in a patient in intensive care or with immunocompromise, in children not responding to appropriate medical management, and in patients with complications of sinusitis. (medscape.com)
Sinusitis and polyps must be treated, including sinus surgery in order to prevent complications that sinusitis can cause by spreading the disease to the eye and brain. (atlasklinika.com)

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 bony wall of the frontal sinus and the dura were unaffected. (biomedcentral.com)

Axial T2 weighted images (B), T1 weighted images before (C) and after contrast administration (E, F) show a contrast enhancing soft tissue mass being slightly inhomogeneous in the left frontal sinus without any intracranial meningeal enhancement. (biomedcentral.com)

The numerous (6-12) small thin-walled spaces or air cells in the ETHMOID BONE located between the eyes. (lookformedical.com)
The ethmoid sinuses arise in the ethmoid bone, forming several distinct air cells between the eyes. (medscape.com)

Each sinus has an opening into the nose for the free exchange of air and mucus, and each is joined with the nasal passages by a continuous mucous membrane lining. (energytechhvac.com)
For example, intolerance to aspirin and other related non-steroidal anti-inflammatory medications, such as ibuprofen, can be associated with sinusitis in patients with asthma or nasal polyps (small growths on the mucous membrane lining of the sinuses). (energytechhvac.com)

In addition, the coronal view is best correlated with findings from sinus surgery, with anatomy and pathology visualized in a plane almost identical to that seen by the endoscopist. (medscape.com)
Multisection CT seems to have the potential to replace primary coronal CT of the paranasal sinuses without any loss of image quality, and it may even improve the overall diagnostic value. (medscape.com)
Coronal-view maxillofacial CT image without contrast showing expansive hyperdense material filling the paranasal sinuses, as well as erosion of bone walls. (consultant360.com)

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 and 40% of asymptomatic individuals. (medscape.com)

Approximately 0.5 to 2% of patients with sinusitis will have or develop bacterial sinusitis. (medscape.com)
Pott puffy tumor is a rare but potentially life-threatening complication of bacterial sinusitis consisting of subperiosteal abscess and osteomyelitis of the frontal bone. (medscape.com)
Treatment of acute sinusitis consists of providing adequate drainage of the involved sinus and appropriate systemic treatment of the likely bacterial pathogens. (medscape.com)

and sphenoidal sinusitis, n = 1). (biomedcentral.com)

After listening to your history of symptoms and perhaps doing a sinus X-ray, the doctor says you have sinusitis. (energytechhvac.com)
Americans spend millions of dollars each year for medications that promise relief from their sinus symptoms. (energytechhvac.com)
Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and runny nose or nasal congestion. (energytechhvac.com)
[12] Often, a localized headache or toothache is present, and these symptoms distinguish a sinus-related headache from other types of headaches, such as tension and migraine headaches. (mdwiki.org)
In all patients, the tumor became manifest in symptoms resembling a primary extradural entity, like chronic sinusitis, chordoma or nasal polyposis. (biomedcentral.com)

There was a substantial to almost perfect agreement between CT and MR imaging for every kind and extent of the disease except for mucosal thickening in the maxillary and frontal sinuses, in the nasal cavity, and in the infundibulum. (vrad.com)
As the individual transitions to higher altitude, the ambient pressure surrounding the sinus cavity decreases, and the air in the sinuses expands and equalizes through the natural ostium. (medscape.com)
Upon descent, ambient air pressure increases, the air in the sinuses contracts, and air moves into the sinus cavity, preventing a pressure gradient from developing. (medscape.com)
Again, as the individual moves up in altitude, the ambient pressure decreases, and volume in the sinus cavity increases. (medscape.com)
Pressure cannot equalize across the nasal cavity to the sinus because of blockage at the ostium. (medscape.com)
Air volume decreases in the sinus cavity, creating a negative pressure. (medscape.com)
The olfactory neuroblastoma (ONB) is a rare malignant tumor that arises in the nasal cavity and paranasal sinuses. (jcohns.org)
All the paranasal sinuses are connected to each other because it communicates with a common cavity the nasal cavity. (healthysinus.net)
Frontal sinuses: These are near the center of the forehead, one cavity above each eye. (healthysinus.net)
A relatively rare form of cancer involving the nasal cavity and paranasal sinuses, it may occur due to a pronged exposure to toxic fumes, excessive smoking, or old age. (healthysinus.net)
4 The maxillary bone houses the nasal cavity, along with the smaller incisive and nasal bones. (vetbloom.com)
Within the rostral nasal cavity are nasal turbinates, which are thin scrolls of bone that make up the dorsal and ventral nasal conchae. (vetbloom.com)
4 In cats, characteristics most seen with neoplasia include unilateral soft tissue opacification of the nasal cavity and paranasal bone lysis with tooth loss. (vetbloom.com)
Sinonasal undifferentiated carcinoma (SNUC) is a rare malignancy arising from epithelial tissues in the nasal cavity or paranasal sinuses. (appliedradiationoncology.com)
3 Imaging studies often demonstrate extensive local invasive growth involving nasal cavity and ethmoid sinuses, with frequent spread into the orbit, calvarium, and anterior cranial fossa. (appliedradiationoncology.com)
Imaging studies including computed tomography (CT) and magnetic resonance imaging (MRI) showed a mass involving the nasal cavity with extension through the skull base into the anterior cranial fossa. (appliedradiationoncology.com)
Aspergilloma, also called fungus ball, is a clump of fungus growing in a cavity, in the lung or a sinus, often a maxillary sinus. (biomedcentral.com)
Bone reconstruction of the maxillae must be preceded by planning of the case, with information about the medical history of the individual, clinical evaluation of the oral cavity, requisition of imaging exams for analysis of the maxillary sinus volume, presence of septa and/ or sinus infections. (bvsalud.org)
Air-filled spaces located within the bones around the NASAL CAVITY . (lookformedical.com)
The term includes the external nose , the nasal cavity , and the PARANASAL SINUSES . (lookformedical.com)
Each maxillary sinus communicates with the middle passage (meatus) of the NASAL CAVITY on the same side. (lookformedical.com)
This development places the floor of the sinus well below the floor of the nasal cavity. (medscape.com)
Contrast-enhanced T1-weighted MRI showed a multilobulated, partly solid and cystic mass with central calcifications of the sphenoid cavity and clivus reaching both internal carotid arteries, and invading the ethmoid sinuses and the nasal cavity. (biomedcentral.com)

citation needed] These organisms are associated with certain predisposing conditions: Sinus and dental infections-Aerobic and anaerobic streptococci, anaerobic gram-negative bacilli (e.g. (wikipedia.org)
Sometimes, fungal infections can cause acute sinusitis. (energytechhvac.com)
Sinus infections can also cause middle-ear problems due to the congestion of the nasal passages. (mdwiki.org)

Computed tomography (CT) scanning is the examination of choice in sinusitis, particularly in cases of chronic sinus disease, providing excellent detail of sinus anatomy. (medscape.com)
The feline skull has very complex anatomy with more than fifty bones that are usually paired. (vetbloom.com)

Drainage can be achieved surgically with sinus puncture and irrigation techniques. (medscape.com)
If the sinus openings become too narrow to permit drainage of the mucus, then bacteria, which normally are present in the respiratory tract, begin to multiply. (energytechhvac.com)
The patient underwent transfacial sinus surgery according to RITTER-JANSEN [ 1 , 2 ] performing a median drainage with placeholder for 3 weeks. (biomedcentral.com)

The frontal sinus is housed in the frontal bone superior to the eyes in the forehead. (medscape.com)

However, in adults, if attainable, cultures directed at the middle meatus more accurately reflect the contents of the sinuses themselves, according to most studies. (medscape.com)
Polyps originate from the middle concha, middle meatus and ethmoid sinus 4, 14. (bjorl.org)

Computed tomography and magnetic resonance imaging showed a lesion in the frontal lobe that was deviated to the right and attached to the olfactory groove. (symptoma.com)
The patient complains of headache, the localization of which depends on the inflammatory areas (frontal lobe if the frontal sinusitis, the nose and the base of the nose with ethmoiditis, pain in the temporal and frontal lobe in the sinus, pain in the eye sockets, the back of the head when sphenoiditis) is possible. (vsebolezni.com)

Hasan Z, Key S, Lee M, Chen F, Aweidah L, Esmaili A, Sacks R, Singh N . A Deep Learning Algorithm to Identify Anatomical Landmarks on Computed Tomography of the Temporal Bone. (ents.com.au)

Examples of these pathways include the ostia of the maxillary sinuses and the hiatus semilunaris, where the anterior group of paranasal sinuses drains. (medscape.com)
The paranasal sinuses have rigid walls with relatively small ostia for gas exchange and mucus transport. (medscape.com)

Sphenoid sinuses: Located in the sphenoid bone, near the optic nerve and pituitary gland on the side of the skull. (healthysinus.net)
Postoperative MRI of the head demonstrated residual tumor involving the lesser wing of the sphenoid bone bilaterally, the basisphenoid, left pterygopalatine fossa, nasopharynx and inferior turbinate. (appliedradiationoncology.com)
The sphenoid sinus originates in the sphenoid bone at the center of the head. (medscape.com)

Headache upon awakening in the morning is characteristic of sinus involvement. (energytechhvac.com)
Headache or facial pain or pressure of a dull, constant, or aching sort over the affected sinuses is common with both acute and chronic stages of sinusitis. (mdwiki.org)
We report on a 60-year-old woman with swelling in the left periorbital region and frontal headache at the same side. (biomedcentral.com)

Radiological bone changes in form of hyperostosis and bone erosion was seen in 14 cases. (symptoma.com)

To evaluate the relative area of the maxillary sinus in edentulous posterior maxilla with regard to linear area, bone septa and sinus pathologies. (bvsalud.org)
There are reports of high frequency of chronic sinusitis in patients with cleft lip and palate, especially children, that may be related to hypoplasia of the maxilla and lower volume of the maxillary sinus related to the cleft. (bvsalud.org)
Fractures of the bones in the orbit, which include parts of the frontal, ethmoidal, lacrimal, and sphenoid bones and the maxilla and zygoma. (uchicago.edu)

Use of fracture size and soft tissue herniation on computed tomography to predict diplopia in isolated orbital floor fractures. (uchicago.edu)

PURPOSE: To evaluate the relative value of magnetic resonance (MR) imaging versus computed tomography (CT) in the diagnosis of inflammatory paranasal sinus disease. (vrad.com)
Introduction: Sinonasal polyposis (SNP) is a condition with a controversial aethiology, known by bilaterally inflammatory mucous membranes of nasal and paranasal sinuses. (bjorl.org)

[1] The unnecessary and ineffective treatment of viral sinusitis with antibiotics is common. (mdwiki.org)

Acute sinusitis is defined as disease lasting less than 1 month. (medscape.com)
Subacute disease lasts 1-3 months, and chronic sinusitis lasts longer than 3 months and is generally related to suboptimally treated acute or subacute disease. (medscape.com)
Sinus aspergilloma occurs occasionally in RA patients and can progress to invasive Aspergillus disease. (biomedcentral.com)
The thinnest portion of the anterior wall is above the canine tooth, called the canine fossa, which is an ideal entry site for addressing various disease processes of the maxillary sinus. (medscape.com)
Nasal endoscopy, despite being an important diagnosis for small meatal polyps, does not provide information about presence and extension of the disease to the ethmoid sinuses or to other sinuses. (bjorl.org)
It is also important to rule out a number of common disorders in a pediatric patient who presents with visual changes and evidence of sinus-related disease. (consultant360.com)

[1] In chronic cases, confirmatory testing is recommended by either direct visualization or computed tomography . (mdwiki.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)

Traumatic globe rupture and herniation into the maxillary sinus. (uchicago.edu)

Transverse-view maxillofacial CT image without contrast showing homogenous opacification of hyperdense material filling the ethmoid and sphenoid sinuses. (consultant360.com)
Computed tomography revealed a hyperdense foreign body in the right maxillary sinus and thickening of the mucosal lining. (opendentistryjournal.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)

Bone-window views provide excellent resolution and good definition of the complete ostiomeatal complex and other anatomic details that play a role in sinusitis. (medscape.com)

Magnetic resonance imaging (MRI) is similar to CT scanning in predicting involved sinuses, but it does not provide bony detail. (medscape.com)
Magnetic resonance imaging (MRI) was done at an outside facility, which detected a right frontal sinus mass impinging on the optic nerve. (consultant360.com)
Contrast enhanced magnetic resonance imaging (MRI) revealed involvement of left ethmoid and frontal sinuses. (biomedcentral.com)

Acute and subacute sinusitis are treated medically, whereas chronic sinusitis may require surgical intervention. (medscape.com)
MRI is better than CT scanning in differentiating paranasal sinus masses, although it is not as useful as CT scanning in surgical planning and can be more time consuming to obtain. (medscape.com)
Surgical therapy is designed to restore sinus ventilation. (medscape.com)
The aim of this study was to understand the influence of surgical repair of cleft lip and palate on the volume of the maxillary sinus of these individuals. (bvsalud.org)

Anatomy5

Diseases10

Information Science1

Inflammation15

Mucosa3

Cavities15

Rhinosinusitis4

Maxillary sinusitis9

Diseases that affect the nasal2

Evaluating the ethmoid sinuses1

Scans7

Secretions3

Acute bacterial sinusitis1

Scan8

Infection11

FESS4

Allergic2

Tumors3

Complications3

Wall of the frontal sinus2

Left frontal1

ETHMOID BONE2

Mucous membrane2

Coronal3

Diagnosis of acute1

Bacterial3

Sphenoidal1

Symptoms5

Cavity23

Infections3

Anatomy2

Drainage3

Forehead1

Middle meatus2

Lobe2

Temporal bone1

Ostia2

Sphenoid bone3

Headache3

Erosion1

Maxilla3

Soft tissue1

Inflammatory2

Viral1

Disease6

Visualization1

Communicates1

Herniation1

Hyperdense2

Posterior1

Anatomic details1

Magnetic3

Surgical4