Fig. 2
From: Semi-segmented lumbar supernumerary hemivertebra resection in congenital scoliosis: a case report
Preoperative identification of the hemivertebra. Preparing of the insertion points of the transpedicular screws (A). Insertion of transpedicular screws and fixation of the spine with a provisional rod on the concavity. Identification of the hemilamina corresponding to the hemivertebra. Excision of the hemivertebra and radiological check (B). Mobility check of the spine and the efficiency of the transpedicular screws by compression maneuvers. Final implant and radiological verification of correction (C)