J Korean Orthop Assoc.  2014 Apr;49(2):153-158. 10.4055/jkoa.2014.49.2.153.

Posttraumatic Osteonecrosis of the Femoral Head after Nine Years of Posterior Femoral Head Fracture Dislocation

  • 1Department of Orthopedic Surgery, Center for Joint Disease, Chonnam National University Hwasun Hospital, Hwasun, Korea. tryoon@chonnam.ac.kr


Posttraumatic osteonecrosis of the femoral head (ONFH) is the most serious complication after fracture dislocation of the femoral head. The rate of this complication was reported to range from 1.7% to 40%. Although the development of posttraumatic osteonecrosis normally occurs within 2 years of injury, there are some reports of the late development ONFH. The authors encountered a case of posttraumatic ONFH that developed after 9 years of a Pipkin type I fracture dislocation. The patient was treated by modified transtrochanteric rotational osteotomy. We report this rare case with a review of the relevant literatures.


femoral head; posttraumatic osteonecrosis; fracture dislocation; transtrochanteric rotational osteotomy
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