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AJNR - American Journal of Neuroradiology

Published ahead of print on November 16, 2007
doi: 10.3174/ajnr.A0806

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Clinical Outcome and Ischemic Complication after Treatment of Anterior Choroidal Artery Aneurysm: Comparison between Surgical Clipping and Endovascular Coiling

B.M. Kim^a, D.I. Kim^c, Y.S. Shin^d, E.C. Chung^a, D.J. Kim^c, S.H. Suh^c, S.Y. Kim^e, S.I. Park^f, C.S. Choi^b and Y.S. Won^b

^a Departments of Radiology, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, South Korea
^b Departments of Neurosurgery, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, South Korea
^c Department of Radiology, Yonsei University College of Medicine, Seoul, South Korea
^d Departments of Neurosurgery, Ajou University College of Medicine, Suwon, South Korea
^e Departments of Radiology, Ajou University College of Medicine, Suwon, South Korea
^f Department of Radiology, Soonchunhyang University, Bucheon Hospital, Bucheon, South Korea

View larger version (61K): [in this window] [in a new window]   Fig 1. Images of a 63-year-old woman who presented with subarachnoid hemorrhage. A, 3D volume-rendering image in oblique projection reveals an anterior choroidal artery aneurysm with daughter sac. The anterior choroidal artery is incorporated into the aneurysm neck. B, Unsubtracted image in working-projection obtained during the procedure. The aneurysm is treated with the double-catheter technique. Note 2 radiopaque markers of the tip of the microcatheter near the aneurysm neck. C, Postembolization control angiography in working-projection reveals near complete occlusion of the aneurysm sac.

View larger version (51K): [in this window] [in a new window]   Fig 2. Images of a 46-year-old man who presented with subarachnoid hemorrhage. A, 3D volume-rendering image reveals anterior choroidal artery aneurysm with the daughter sac. B, The anterior choroidal artery is well preserved on follow-up angiography performed due to the postoperative contralateral hemiparesis. C, Follow-up CT reveals low attenuation in the ipsilateral anterior choroidal artery territory, posterior limb of right internal capsule.