Abstract Object To evaluate the efficacy and safety of trans-sulcal or fissure approach in surgical treatment of supratentorial lesions Study design Retrospective clinical case series Methods This study included 42 patients. Age ranged from 4 to 78 years. Sulcal dissection was done in 26 patients at or near the eloquent areas. and in 16 patients. https://www.roneverhart.com/Echo-Fix-EF-P2-Spring-Reverb-Pedal-p32083/