Fig. 6

(a) X-rays of pre-operation, 3months after operation, and 9 months after operation; (b) Coronal MRI of pre-operation and 9 months after operation; (c) Cross-sectional MRI pre-operation and 9 months after operation.

(a) X-rays of pre-operation, 3months after operation, and 9 months after operation; (b) Coronal MRI of pre-operation and 9 months after operation; (c) Cross-sectional MRI pre-operation and 9 months after operation.