Fig. 1From: Comparison of 270-degree percutaneous transforaminal endoscopic decompression under local anesthesia and minimally invasive transforaminal lumbar interbody fusion in the treatment of geriatric lateral recess stenosis associated with degenerative lumbar spondylolisthesisFluoroscopic views. A, B The drill was inserted to resect the LF and the ventral osteophytes on the SAP. C, D The working cannula was placedBack to article page