title: Intracerebral hemorrhage caused by rupture of a giant aneurysm complicating superficial temporal artery-middle cerebral artery anastomosis for moyamoya disease.
abstract: BACKGROUND
  Aneurysm formation at the anastomosis site after extracranial-intracranial (EC-IC) bypass surgery for major arterial occlusion or stenosis due to atherosclerosis has only been reported a few times previously. However, no case describing the formation of a giant aneurysm after EC-IC bypass surgery has been reported to date. Additionally, this complication associated with moyamoya disease is extremely rare, and only one case has been reported so far.
  
  
  METHODS
  We report a case of a 51-year-old woman having a rare complication of intracerebral hemorrhage due to rupture of a giant aneurysm that developed after superficial temporal artery-middle cerebral artery anastomosis for the treatment of moyamoya disease.
  
  
  CONCLUSIONS
  To the best of our knowledge, this is the first reported case of a giant aneurysm, also the largest so far occurring after EC-IC bypass surgery and the second reported case of a rupture of an aneurysm formed after bypass surgery for moyamoya disease.
authors.affiliation: Department of Neurosurgery, School of Medicine, Wonkwang University, 344-2 Shinyong-dong, Iksan 570-749, South Korea.
authors.forename: Ki Seong
authors.initials: KS
authors.lastname: Eom
authors.forename: Dae Won
authors.initials: DW
authors.lastname: Kim
authors.forename: Sung Don
authors.initials: SD
authors.lastname: Kang
mesh_terms: D000714:Anastomosis, Surgical; D017542:Aneurysm, Ruptured / Q000175:diagnosis / Q000601:surgery*; D002533:Cerebral Angiography; D002548:Cerebral Revascularization; D003399:Craniotomy; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D002532:Intracranial Aneurysm / Q000175:diagnosis / Q000601:surgery*; D008875:Middle Aged; D009072:Moyamoya Disease / Q000175:diagnosis / Q000601:surgery*; D011183:Postoperative Complications / Q000175:diagnosis / Q000601:surgery*; D012086:Reoperation; D014057:Tomography, X-Ray Computed