Abstract
Lenticulostriate perforating artery aneurysms are rare [1]. Lenticulostriate artery (LSA) aneurysms are endarteries, small and fragile and supply internal capsule and basal ganglia and LSA aneurysms may be saccular or fusiform and commonly present with basal ganglia hemorrhage [1,2]. They can be associated with conditions like moyamoya disease, hypertension, vasculitis and arterio-venous malformations (AVMs) [1-4]. LSA aneurysms which by itself is an uncommon entity usually presents with intraparenchymal haemorrhages [3,5]. Rarely LSA aneurysms presents with subarachnoid haemorrhage (SAH) or primary intraventricular haemorrhage PIVH [1-3,5,6]. We report a rare case of LSA aneurysm presenting with SAH who was successfully managed conservatively.
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