title: Duplication of internal carotid artery: a rare case of tympanic mass.
abstract: We report a case of a 30-year-old female patient evaluated for a right retrotympanic polyp found at otoscopy. During biopsy, a severe hemorrhage occurred. During computed tomography and angiography, the diagnosis of a duplication of internal carotid artery was made.
authors.affiliation: Department of Diagnostic and Interventional Radiology, University of Frankfurt/Main, Frankfurt/Main, Germany.
authors.forename: Abdelhamid
authors.initials: A
authors.lastname: Aladwan
authors.forename: Martin
authors.initials: M
authors.lastname: Mack
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Gstöttner
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Vogl
mesh_terms: D000328:Adult; D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging* / Q000473:pathology; D003937:Diagnosis, Differential; D004428:Ear Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D004432:Ear, Middle / Q000000981:diagnostic imaging* / Q000473:pathology*; D005260:Female; D006801:Humans; D011127:Polyps / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography