2005
DOI: 10.2176/nmc.45.574
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Surgical Treatment of a Lenticulostriate Artery Aneurysm-Case Report-

Abstract: A previously healthy 61-year-old man presented with basal ganglia hemorrhage caused by rupture of a small aneurysm arising from the distal lenticulostriate artery associated with moyamoya-like disease and manifesting as left hemiparesis and dysarthria. The patient underwent frontotemporal craniotomy. Neck clipping of the aneurysm was performed through the hematoma cavity. He was transferred for rehabilitation with left hemiparesis. Three-dimensional computed tomography angiography was very useful for preoperat… Show more

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Cited by 39 publications
(25 citation statements)
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“…To the best of our knowledge, only seven such cases of peripheral artery aneurysms associated with moyamoya disease [3][4][5][6] have been reported. Most peripheral or collateral artery aneurysms in moyamoya disease are pseudoaneurysms [4,[7][8][9], as in our case. Cerebral angiography could not distinguish among these pathological findings.…”
Section: Discussionsupporting
confidence: 63%
“…To the best of our knowledge, only seven such cases of peripheral artery aneurysms associated with moyamoya disease [3][4][5][6] have been reported. Most peripheral or collateral artery aneurysms in moyamoya disease are pseudoaneurysms [4,[7][8][9], as in our case. Cerebral angiography could not distinguish among these pathological findings.…”
Section: Discussionsupporting
confidence: 63%
“…Although these modalities offer good sensitiv ity, 29 LSA aneurysms are nonetheless difficult to detect. Of the 46 cases reported in the literature, there were 8 CTA studies 4,7,8,16,19,22,39,43 of which 3 were negative 4,8,19 and 3 MRA studies 17,25,32 of which 1 was negative. 32 All 3 of our patients underwent MRI with an angiographic se quence during the acute phase of the hematoma, but only in 1 case was there evidence of a suspected aneurysm, which was later confirmed on angiography.…”
Section: Discussionmentioning
confidence: 99%
“…[1][2][3]9 These patients are significantly more susceptible to aneurysm formation compared with a baseline risk of 1%-6% in the general population; in a series of 81 patients with Moyamoya disease, 15% had cerebral aneurysms. 7 Although most aneurysms in Moyamoya disease are in the circle of Willis (56%), a significant minority are found in the basal ganglia (18%) and collateral vessels (22%).…”
Section: Discussionmentioning
confidence: 99%
“…CT angiographic surveillance should, therefore, include not only the circle of Willis but the entire intracranial circulation. Although it has been suggested that most peripheral or collateral artery aneurysms in Moyamoya disease are pseudoaneurysms due to prior rupture of friable vessels, 9 most reported cases of LSA aneurysms have undergone surgical treatment and have been confirmed as true aneurysms.…”
Section: Discussionmentioning
confidence: 99%