title: Radiation-induced petrous internal carotid artery aneurysm.
abstract: Iatrogenic internal carotid artery aneurysm is a rare complication of irradiation. There are few reported cases in the literature. A case of radiation-induced petrous internal carotid artery aneurysm in a patient with nasopharyngeal cancer treated with radiotherapy is reported. The approach to managing such an aneurysm is discussed.
authors.affiliation: Division of Otorhinolaryngology, Department of Surgery, University of Hong Kong Medical Centre, Queen Mary Hospital, Hong Kong.
authors.forename: Wai Yip Stephen
authors.initials: WY
authors.lastname: Lau
authors.forename: Chun Kuen
authors.initials: CK
authors.lastname: Chow
mesh_terms: D002277:Carcinoma / Q000532:radiotherapy*; D002343:Carotid Artery, Internal / Q000503:physiopathology* / Q000528:radiation effects*; D002533:Cerebral Angiography; D004423:Ear; D004621:Embolization, Therapeutic; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D002532:Intracranial Aneurysm / Q000209:etiology* / Q000503:physiopathology* / Q000628:therapy; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D010025:Osteoradionecrosis / Q000209:etiology* / Q000473:pathology*; D010579:Petrous Bone / Q000473:pathology* / Q000528:radiation effects*; D011878:Radiotherapy / Q000009:adverse effects*; D011879:Radiotherapy Dosage; D013701:Temporal Bone / Q000473:pathology / Q000528:radiation effects