title: The pterional approach and extradural anterior clinoidectomy to clip paraclinoid aneurysms.
abstract: OBJECTIVE
  The surgical clipping of paraclinoid segment internal carotid artery aneurysms is considered difficult because of the complex anatomical location and important neighboring structures. Our experiences of pterional craniotomy and extradural anterior clinoidectomy (EAC) to clip paraclinoid aneurysms are reported herein.
  
  
  METHODS
  We present two patients with paraclinoid aneurysms who underwent surgical clipping using pterional craniotomy and EAC. The clinical results and operative techniques were reviewed from the patients' medical records.
  
  
  RESULTS
  EAC improves the surgical field in the suprasellar and periclinoid regions. Clinically, a good outcome was obtained in both cases. No surgical complications directly resulting from the EAC were observed.
  
  
  CONCLUSIONS
  Favorable surgical results can be obtained with pterional craniotomy and EAC for the clipping of paraclinoid aneurysms. EAC is advocated for the clipping of paraclinoid aneurysms.
authors.affiliation: Department of Neurosurgery, Haeundae Paik Hospital, Inje University Colleage of Medicine, Busan, Korea.
authors.forename: Jung Soo
authors.initials: JS
authors.lastname: Kim
authors.forename: Sun-Il
authors.initials: SI
authors.lastname: Lee
authors.forename: Kyoung Dong
authors.initials: KD
authors.lastname: Jeon
authors.forename: Byeong Sam
authors.initials: BS
authors.lastname: Choi
keywords: Anterior clinoidectomy; Extradural; Paraclinoid aneurysm; Pterional craniotomy