Inci Servet, Akbay Atila, Hazer Burcu, Yavuz Kivilcim, Ozgen Tuncalp
Department of Neurosurgery, School of Medicine, Hacettepe University, Ankara, Turkey.
Neurosurgery. 2009 Jul;65(1):E206-7; discussion E7. doi: 10.1227/01.NEU.0000346270.89755.1E.
Aneurysms originating from perforating branches of the middle cerebral artery are quite rare. Most of them arise from the lenticulostriate arteries, frequently located within the basal ganglia. We report a perforating artery aneurysm that was entirely embedded within the limen insulae.
A 41-year-old man presented with an insular hematoma without subarachnoid hemorrhage caused by rupture of a small aneurysm on a perforating artery of the proximal middle cerebral artery supplying the insula.
This rare aneurysm was resected via the transsylvian-insular approach.
Although very rare, perforating artery aneurysms should be considered in young or middle-aged patients with an atypical intracerebral hematoma. This report discusses radiological and surgical characteristics of this unusual aneurysm.
起源于大脑中动脉穿支的动脉瘤非常罕见。它们大多起源于豆纹动脉，常位于基底节内。我们报告一例完全包埋于岛阈内的穿支动脉动脉瘤。
一名41岁男性因供应岛叶的大脑中动脉近端穿支上一个小动脉瘤破裂，出现岛叶血肿但无蛛网膜下腔出血。
通过经外侧裂-岛叶入路切除了这个罕见的动脉瘤。
尽管非常罕见，但对于患有非典型脑内血肿的中青年患者，应考虑到穿支动脉动脉瘤的可能。本报告讨论了这种不寻常动脉瘤的影像学和手术特征。
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