lesser sciatic notch

Conclusions : Internal fixation of the acetabular posterior column fracture by lag screw placement via the midpoint of lesser sciatic notch is reliable , easy to perform .

结论：经坐骨小切迹中点行后柱拉力螺钉内固定术，具有创伤小，操作简便、内固定可靠等优点。

Applied anatomy of lag screw placement internal fixation in posterior column of acetabulum via lesser sciatic notch

经皮坐骨小切迹拉力螺钉内固定髋臼后柱骨折的应用解剖与临床应用