Fig.3From: A comparative study of percutaneous endoscopic interlaminar discectomy and transforaminal discectomy for L5-S1 calcified lumbar disc herniationPre- and post-operative MRI and CT (A-H). A-D Preoperative CT and MRI revealed lumbar disc herniation combined with calcification. E–H Postoperative CT and MRI showed that the calcified intervertebral disc was removed and the compressed nerve root had been relieved by PEIDBack to article page