Fig. 1
From: Endoscopy-assisted purely total outer wall excision for pediatric Sylvian arachnoid cysts
Surgical technique. A A linear incision about 3 cm over the temporal muscle was made behind the hairline. B A temporal craniotomy 2 cm in diameter was performed. C The endoscope was introduced to the edge of cyst (arrowheads) and the transition zone where the arachnoid adhesion usually existed with arachnoid trabecula (arrows).D The arachnoid adhesion has been dissected. The cystic cavity was open to broad subdural space(arrows)