title: Giant aneurysm of the distal portion of the posterior inferior cerebellar artery.
abstract: The authors report a case of a giant aneurysm of the distal portion of the posterior inferior cerebellar artery presenting the classical picture of a tumor of the posterior fossa. CT scan of a giant aneurysm reveals the clear margin and high density area of aneurysm wall, and the homogeneous and high density area of the organized thrombus in a cavity of the aneurysm.
mesh_terms: D000368:Aged; D001158:Arteries / Q000473:pathology; D001932:Brain Neoplasms / Q000175:diagnosis; D002531:Cerebellum / Q000098:blood supply*; D002533:Cerebral Angiography; D003388:Cranial Fossa, Posterior; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D014057:Tomography, X-Ray Computed