Transfracture abduction osteotomy: A solution for nonunion of femoral neck fractures.

Background: Nonunion and avascular necrosis (AVN) of the femoral head remains one of the major complications following femoral neck fractures. Despite various surgical techniques and internal fixation devices, the incidence of nonunion and AVN has remained unsolved. Neglected nonunion of femoral neck fracture is common in the developing world.

Primary osteoliposarcoma of the bone.

Osteoliposarcoma are rare tumors of the bone. To our knowledge, so far only eight cases have been reported. Some of the reports have referred to these tumors as malignant mesenchymoma.