title: Pneumocele as a rare differential diagnosis in trigeminal irritation.
abstract: A case of a pneumocele concerning the maxillary sinus causing trigeminal irritation is presented. Pneumoceles are rare conditions of an abnormal dilatation of a paranasal sinus containing only air, lined by unremarkable mucosa, and associated with a bony defect. Symptoms, diagnostic findings, therapy, possible causes, and pathogenesis are discussed.
authors.affiliation: Department of Otorhinolaryngology, University of Freiburg, Germany.
authors.forename: Felix B
authors.initials: FB
authors.lastname: Knapp
authors.forename: Thomas
authors.initials: T
authors.lastname: Klenzner
mesh_terms: D000388:Air; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008443:Maxillary Sinus; D008875:Middle Aged; D010254:Paranasal Sinus Diseases / Q000175:diagnosis*; D020433:Trigeminal Nerve Diseases / Q000175:diagnosis*