title: Sinusitis.
mesh_terms: D002481:Cellulitis / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D010019:Osteomyelitis / Q000209:etiology; D010256:Paranasal Sinuses / Q000000981:diagnostic imaging; D010358:Patient Participation; D011859:Radiography; D012852:Sinusitis / Q000145:classification / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000628:therapy