paranasal sinus


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Noun1.paranasal sinus - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavitiesparanasal sinus - any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities
sinus - any of various air-filled cavities especially in the bones of the skull
References in periodicals archive ?
However, there is a differential for an opacified paranasal sinus (Table 1).
8, 9) The definite diagnosis is based on the presence of necrotizing granulomatous vasculitis in pulmonary, renal or paranasal sinus biopsy specimens.
If symptoms do not improve, the most commonly performed surgical option to date has been endoscopic sinus surgery which can involve cutting and drilling larger holes in the delicate bones of the paranasal sinus complex, close to the brain and eyes, to improve drainage.
The content is logically divided into three sections: Foundations of Rhinology and Endoscopic Skull Base Surgery, Rhinology and Paranasal Sinus Surgery, and Endoscopic Skull Base Surgery and Related Skull Base Surgery.
The maxillary sinus is the first paranasal sinus to develop from the ethmoid sinuses.
A sampling of topics includes: basic principles, CBCT in clinical practice, dental findings, implant site assessment, orthodontic assessment, paranasal sinus evaluation, and vertebral body evaluation.
If symptoms do not improve, the most common surgical option to date has been endoscopic sinus surgery which can involve cutting and drilling larger holes in the delicate bones of the paranasal sinus complex to improve drainage.
For the purposes of this study, extracavitary extension was defined as extension from the tumor epicenter into an adjacent structure (usually an adjacent paranasal sinus or orbit) as determined radiologically or surgically.
This patent and Acclarent's earlier 7,462,175 patent are directed to methods for treating a paranasal sinus ostium, such as the maxillary sinus ostium, either through the nostril or other routes.
1) Plain radiographic films are frequently used in clinical practice for the evaluation of nasal and paranasal sinus disease even though this radiologic examination lacks accuracy.
Similarly, when air is prevented from entering a paranasal sinus by a swollen membrane at the opening, a vacuum can be created that also causes pain.