title: An extensive maxillary pneumosinus dilatans.
abstract: Pneumosinus dilatans is a very rare lesion. An aggressive case of a maxillary pneumosinus dilatans is presented. CT and MRI showed that the lesion involved the orbit, cheek and nasal cavity. A reopening to the affected maxillary sinus as a FESS procedure was performed with success.
authors.affiliation: Department of Otorhinology, Head and Neck Surgery, University of Copenhagen, Denmark. Hansjuhl@dadlnet.dk
authors.forename: H J
authors.initials: HJ
authors.lastname: Juhl
authors.forename: C
authors.initials: C
authors.lastname: Buchwald
authors.forename: B
authors.initials: B
authors.lastname: Bollinger
mesh_terms: D000328:Adult; D004108:Dilatation, Pathologic; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008443:Maxillary Sinus / Q000473:pathology* / Q000601:surgery*; D013517:Otorhinolaryngologic Surgical Procedures; D010254:Paranasal Sinus Diseases / Q000175:diagnosis / Q000601:surgery*; D014057:Tomography, X-Ray Computed