Disappearance of a middle cerebral artery aneurysm associated with Moyamoya syndrome after revascularization in a child: case report.

Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery
Johann PeltierPatrick Dhellemmes


Pediatric Moyamoya disease is rarely associated with intracranial aneurysms. We report a case of a 7-year-old girl with an antecedent of persistent craniopharyngeal canal, who presented with a history of choreiform movements. A Moyamoya disease was found with an unruptured left middle cerebral artery aneurysm on her first angiography. Conservative treatment was chosen for the aneurysm and she underwent indirect revascularization by encephalosynangiosis using the multiple bur-hole technique for her Moyamoya disease. Abnormal movements were improved. Control angiogram at 6 months showed development of intracranial-extracranial anastomoses with complete resolution of the aneurysm. Aneuryms including the major arteries of the basal arterial circle occur as a by-product of the high velocity and blood flow secondary to the arterial stenosis. Blood flow modification after revascularization often lead to spontaneous regression and disappearance of these aneurysms. Therefore, a conservative treatment of these proximal aneurysms must be chosen after encephalosynangiosis.


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Dec 1, 1996·Neurologia Medico-chirurgica·L BorotaM Kovacevic
Sep 6, 2001·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·K KagawaT Yoshimoto
May 14, 2003·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Chae-Yong KimByung-Kyu Cho
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Jul 29, 2006·Clinical Neurology and Neurosurgery·Dal-Soo KimChun Kun Park
Dec 23, 2006·Journal of Neurosurgery·Christian Sainte-RoseMarie Bourgeois

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