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Park, Kim, Kim, and Park: Osteonecrosis of Femoral Head after Pelvic Fracture - A Case Report -
Case Report
Journal of the Korean Orthopaedic Association

Journal of the Korean Orthopaedic Association 2009; 44(4): 495-498.

Published online: 21 July 2009

DOI: https://doi.org/10.4055/jkoa.2009.44.4.495

Osteonecrosis of Femoral Head after Pelvic Fracture - A Case Report -

Ye-Soo Park, M.D., Jae-Hoon Kim, M.D., Young-Ho Kim, M.D., Ki-Chul Park, M.D.

Department of Orthopaedic Surgery, Guri Hospital, Hanyang University College of Medicine, Guri, Korea.

Correspondence to Ki-Chul Park, M.D. Department of Orthopaedic Surgery, Kuri Hospital, Hanyang University College of Medicine, 249-1 Gyomoon-dong, Guri 471-701, Korea. Tel: +82.31-560-2318, Fax: +82.31-557-8781, kcpark@hanyang.ac.kr

Received 25 February 2008       Accepted 15 May 2009

Copyright © 2009 The Korean Orthopaedic Association

Abstract

We report on a case of osteonecrosis of the femoral head after a traumatic pelvic injury, and this was not associated with skeletal injuries to his hip joint. An adolescent male developed ostenecrosis of the femoral head following a pelvic fracture, but his hip joint was not injured by the pelvic fracture. To the best of our knowledge, such a finding has not been previously reported. The risk factors fot osteonecrosis are also reviewed.

Keywords: Pelvic bone fracture, Osteonecrosis

Figures and Tables

Fig. 1
Anteroposterior radiograph of pelvis on arrival, showing Type C pelvic fracture.
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Fig. 2
Axial view of pelvis CT on day of arrival showing no dislocation of hip joint.
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Fig. 3
Axial view of pelvis showing separation of right SI joint with retroperitoneal hematoma.
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Fig. 4
10 week post-operative anteroposterior radiograph of pelvis, showing early collapse of femoral head.
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Fig. 5
T2 weighted magnetic resonance image showing collapse of the subchondral surface and edema within femoral head, thus confirming osteonecrosis of femoral head.
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Fig. 6
18 month postoperative radiograph of pelvis, showing further collapse of femoral head and leg discrepancy.
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References

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3. Moorman CT 3rd, Warren RF, Hershman EB, et al. Traumatic posterior hip subluxation in American football. J Bone Joint Surg Am. 2003. 85:1190–1196.
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4. Lafforgue P. Pathophysiology and natural history of avascular necrosis of bone. Joint Bone Spine. 2006. 73:500–507.
5. Song KS, Kim YS, Sohn SW, Ogden JA. Arthrotomy and open reduction of the displaced fracture of the femoral neck in children. J Pediatr Orthop B. 2001. 10:205–214.
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6. Jones JP Jr, Sakovich L. Fat embolism of bone. A roentgenographic and histological investigation, with use of intra-arterial lipiodol, in rabbits. J Bone Joint Surg Am. 1966. 48:149–164.
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