Fig. 5From: Comparing oblique lumbar interbody fusion with lateral screw fixation and percutaneous endoscopic transforaminal discectomy (OLIF-PETD) and minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) for the treatment of lumbar disc herniation complicated with lumbar instabilityCT-related index measurement. A, B The L4-5 FH measured on preoperative (A) and postoperative (B) sagittal CT scan images: the shortest distance between the lower edge of the upper pedicle and the upper edge of the upper pedicle. C, D The L4-5 F-CSA was measured on preoperative (C) and postoperative (D) sagittal CT scan imagesBack to article page