Unilateral percutaneous vertebroplasty for osteoporotic lumbar compression fractures: a comparative study between transverse process root-pedicle approach and conventional transpedicular approach

摘要

Schematic diagram of needle entry points of two methods. a CTPA group: the insertion point was located at the lateral facet of the articular process. b TPRPA group: the insertion point was located at the junction of the root of the transverse process and the pedicle