Fig. 1

A 36-year-old female was admitted with “recurrent low back pain and right lower limb pain for more than half a year”. She was diagnosed as lumbar disc herniation at L4/5 and was treated with PELD in our hospital. A-D were preoperative lumbar magnetic resonance and anterior and lateral X-ray of the whole spine, Cobb angle: 17.5 °; AVT:22.6 mm, CBD:5.5 mm, SVA:11.4 mm, TK:11.8 °, LL:44.6 °, PI:39.7 °; E-F: postoperative anterior and lateral X-ray of the whole spine, Cobb angle: 5.7 °, AVT:16.7 mm, CBD:5.3 mm, SVA:37.5 mm, TK:13.2 °, LL:48.1 °. G-H were positive and lateral X-ray of the whole spine at 1 month follow-up, Cobb angle was 2.3°, AVT:7.8 mm, CBD:4.9 mm, SVA:35.0 mm, TK:14.1 °, LL:50.7 °, I-J Cobb angle 2.1°, AVT:5.7 mm, CBD:4.1 mm, SVA:29.1 mm, TK:15.9 °, LL:55.2°