<unk>  is the inflammation of the nasal mucosa and paranasal sinuses. The terms sinusitis and<unk>  are used interchangeably, although<unk>  is preferred because inflammation of the paranasal sinuses rarely ever occurs without concurrent inflammation of the nasal mucosa. There are 4 pairs of sinus cavities, named for the skull bones they are located in: maxillary, ethmoid, frontal and sphenoidal. The cause of<unk>  is mostly infectious, although it can be associated with other medical conditions such as allergies. The diagnosis is primarily clinical and imaging and other diagnostic studies are not necessary for diagnosis. A CT or MRI is indicated when<unk>  is complicated by extension of the infection to surrounding structures, such as the orbit and brain.<unk>  is a self-limiting disease and treatment is supportive, in order to alleviate the respiratory symptoms and pain. Antibiotics may be indicated in select cases of acute bacterial and chronic<unk> .
Rhinosinusitis
Sinusitis  
Sinusitis
Mastoiditis
Epiglottitis
Croup
Adenoiditis
Nasal polyp