Posterior fossa aneurysms.
D000328:Adult; D000368:Aged; D000776:Anesthesiology / Q000295:instrumentation; D001488:Basilar Artery / Q000033:anatomy & histology; D002531:Cerebellum / Q000098:blood supply; D002533:Cerebral Angiography; D003388:Cranial Fossa, Posterior; D004618:Embolism, Air / Q000517:prevention & control; D006801:Humans; D002532:Intracranial Aneurysm / Q000601:surgery*; D008875:Middle Aged; D011183:Postoperative Complications; D011187:Posture; D011379:Prognosis; D014711:Vertebral Artery / Q000033:anatomy & histology