Fig. 4From: Retractorless brain surgery: technical considerationsTrans-sylvian approach for resection of right insular glioma. A, B Opening the arachnoid of the fissure. C, D Tumor removal. E The tumor bed after excision of the tumor. Fr, frontal lobe; Tm, temporal lobe. Green arrow, Sylvian fissure. White arrow, tumor and tumor bed. Black arrow, sphenoid ridgeBack to article page