chapter  8
Diseases of the Nasal Cavity, Paranasal Sinuses, and Nasopharynx
ByLeon Barnes
Pages 80

Inflammation of the sinonasal tract may be limited to the nasal cavity (rhinitis) or to the paranasal sinuses (sinusitis) or, as in most cases, involve both sites (rhinosinusitis). It may also be unilateral or bilateral and acute, subacute, chronic, or granulomatous, with or without polyps and radiographic air-fluid levels.