Fig. 4From: Endoscopically controlled surgery with open hemilaminectomy for the treatment of intradural extramedullary tumors: an operative technique and short-term outcomes of 20 consecutive casesPreoperative and postoperative MR images of the illustrative case #1. a, b Sagittal and axial preoperative T1-weighted gadolinium-enhanced MR images revealed that a ventrally located intradural extramedullary tumor at the level of T2-T3. c, d Sagittal and axial preoperative T1-weighted gadolinium-enhanced MR images showed that there was no residual tumorBack to article page