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BMJ Case Rep. 2013 Jun 26;2013. pii: bcr2013009968. doi: 10.1136/bcr-2013-009968.

Lenticulostriate artery aneurysm presenting as primary intraventricular haemorrhage.

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  • 1Department of Neurology, SMS Medical College Hospital, Jaipur, Rajasthan, India.


Isolated or primary intraventricular haemorrhage (PIVH) is rare and usually caused by hypertension, vascular malformations, aneurysms and moyamoya disease. Lenticulostriate artery aneurysm (LSA) is also a rare entity, and LSA aneurysm rupture causing primary intraventricular haemorrhage is extremely rare. There are only a few case reports. LSA aneurysms can occur medially or laterally, proximally or distally, though distal lateral LSA aneurysms are more common. They are usually associated with various vascular conditions. We report two rare cases of LSA aneurysms presenting as PIVH, one being medial and other being lateral distal LSA aneurysm. Both were normotensives, and one was associated with arteriovenous malformation.

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