Fig. 2

A 5-year-old girl with severe thoracic post-tubercular angular kyphosis. a-d Preoperative X-ray, CT, and MRI showed post-tubercular deformed complex vertebrae involved with T9-11. The angular kyphosis of deformed complex vertebrae was 81.2°, TK was 91.3°, LL was 85.7°, SVA was 4.3 cm, and the spinal cord was compressed obviously. e–g After DCVO, postoperative X-ray and CT showed that the kyphosis of deformed complex vertebrae was reduced to 20.3° with kyphosis correction of 60.9°, TK was 27.5°, LL was 47.9°, and SVA was 0.9 cm. h Postoperative radiographs at 30 months after surgery showed that the kyphosis of deformed complex vertebrae was further reduced to 18.4°, TK was 29.8°, LL was 55.3°, and SVA was 1.4 cm