title: Orbital blowout fractures as a cause of sinonasal obstructive disease.
abstract: Six cases of orbital blowout fracture with inferomedial herniation of orbital contents into the sinonasal ostiomeatal unit causing obstruction to maxillary sinus outflow are presented. Potential hazards during endoscopic sinus surgery in these cases are outlined.
authors.affiliation: Department of Radiology, University of Texas Medical School, Houston 77030.
authors.forename: J W
authors.initials: JW
authors.lastname: Yeakley
authors.forename: B Y
authors.initials: BY
authors.lastname: Ghorayeb
mesh_terms: D006801:Humans; D009917:Orbital Fractures / Q000150:complications* / Q000000981:diagnostic imaging; D010254:Paranasal Sinus Diseases / Q000209:etiology*; D014057:Tomography, X-Ray Computed