Fig. 4From: Unilateral percutaneous vertebroplasty for osteoporotic lumbar compression fractures: a comparative study between transverse process root-pedicle approach and conventional transpedicular approachA 67-year-old man with L1 vertebra fracture treated with TPRPA PVP. a, b Preoperative spinal column: L1 vertebral fracture. c, d Two days postoperative, spinal column: the bone cement is symmetrically distributed and touches the upper and lower endplates. e, f One year after operation spinal column: the bone cement remains symmetrically distributedBack to article page