Complication avoidance: resection of the insular glioma complicated by iatrogenic injury to the lenticulostriate artery.

Proximal dissection of the Sylvian fissure up to the most lateral LSA, the emergence of the beige putamen, and the lenticulostriate veins are anatomic landmarks that allow reducing the risk of damaging the intraparenchymatous segment of the LSAs.