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KMID : 1005420060080040283
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Journal of Cerebrovascular and Endovascular Neurosurgery
2006 Volume.8 No. 4 p.283 ~ p.286
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A Middle Cerebral Artery AneurysmOriginating Near the Site of Anastomosis after Superficial Temporal Artery-Middle Cerebral Artery Bypass: Case Report
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Kim Jeong-Ho
Lee Sang-Won
Son Dong-Wuk
Cha Seung-Heon
Song Geun-Seong
Choi Chang-Hwa
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Abstract
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Superficial temporal artery-middle cerebral artery (STA-MCA) anastomosis is often performed for the management of the patients wth chronic cerebral ischemic lesions or moyamoya disease. Postoperative aneurysm formation at the anastomosis site or its close proximity is a very rare complication. A 44-year-old female underwent bilateral STA-MCA bypass due to moyamoya disease. Approximately 2 years after bypass surgery, an aneurysm of the recipient cortical artery near the site of the anastomosis was found. Surgical exploration of the region demonstrated an 5.4 x 6.4 x 5 mm aneurysm arising near the site of the anastomosis. The aneurysm was clipped, taking care to keep the bypass flowing. This aneurysm had a thick wall and appeared to be a true saccular aneurysm caused by hemodynamic stress. The author present a case of this unusual complication and provide a brief review of literature.
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KEYWORD
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Superficial temporal artery-middle cerebral artery, Anastomosis, Aneurysm
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