Transcortical Resection of an Insular Low-Grade Glioma Medial to the Porto Alegre Line: Surgical Strategy for Preservation of the Lenticulostriate Arteries. Surgical video.
Introduction: Surgical treatment of dominant insular gliomas requires balancing maximal safe resection with preservation of language and motor function. Tumors extending medial to the Porto Alegre Line (PAL) have close anatomical relationships with the lenticulostriate arteries (LSAs), which represent the principal lim...