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A nasal septum perforation is a medical condition in which the nasal septum, the bony/cartilaginous wall dividing the nasal cavities, develops a hole or fissure. [1]This may be brought on directly, as in the case of nasal piercings, or indirectly, as by long-term topical drug application, including nasal administration of ethylphenidate, methamphetamine, cocaine, crushed prescription pills, or ...
Oroantral fistula. Oroantral fistula (OAF) is an epithelialised oroantral communication (OAC). [1] OAC refers to an abnormal connection between the oral cavity and antrum (or maxillary sinus). [1] The creation of an OAC is most commonly due to the extraction of a maxillary (upper) tooth (typically a maxillary first molar) closely related to the ...
Aerosinusitis. Paranasal sinuses. Aerosinusitis, also called barosinusitis, sinus squeeze or sinus barotrauma is a painful inflammation and sometimes bleeding of the membrane of the paranasal sinus cavities, normally the frontal sinus. It is caused by a difference in air pressures inside and outside the cavities. [1][2][3][4][5]
Fungal sinusitis. Fungal sinusitis or fungal rhinosinusitis is the inflammation of the lining mucosa of the paranasal sinuses due to a fungal infection. [1][2] It occurs in people with reduced immunity. The maxillary sinus is the most commonly involved. Fungi responsible for fungal sinusitis are Aspergillus fumigatus (90%), Aspergillus flavus ...
Sinus (anatomy) A sinus is a sac or cavity in any organ or tissue, or an abnormal cavity or passage. In common usage, "sinus" usually refers to the paranasal sinuses, which are air cavities in the cranial bones, especially those near the nose and connecting to it. Most individuals have four paired cavities located in the cranial bone or skull.
Sinusitis, also known as rhinosinusitis, is an inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include thick nasal mucus, a plugged nose, and facial pain. [1][8] Sinusitis usually occurs in individuals with underlying conditions [9][unreliable medical source?] like allergies, or structural problems in ...
Post-nasal drip. Post-nasal drip (PND), also known as upper airway cough syndrome (UACS), occurs when excessive mucus is produced by the nasal mucosa. The excess mucus accumulates in the back of the nose, and eventually in the throat once it drips down the back of the throat. It can be caused by rhinitis, sinusitis, gastroesophageal reflux ...
Frontal sinus. Outline of bones of face, showing position of air sinuses. Frontal sinus is shown in green. The frontal sinuses are one of the four pairs of paranasal sinuses that are situated behind the brow ridges. Sinuses are mucosa -lined airspaces within the bones of the face and skull. Each opens into the anterior part of the corresponding ...
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