Fig. 4From: Vertebral column decancellation in Pott’s deformity: use of Surgimap Spine for preoperative surgical planning, retrospective review of 18 patientsComparison of VCD and PSO. a Vertebral column decancellation is a “Y” type osteotomy b Pedicle subtraction osteotomy is a “V” type osteotomyBack to article page