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Case Reports in Orthopedics
Volume 2014, Article ID 265489, 3 pages
http://dx.doi.org/10.1155/2014/265489
Case Report

Severe Heterotopic Ossification following Total Knee Replacement

Sportsmed SA, 32 Payneham Road, Stepney, Adelaide, SA 5069, Australia

Received 18 July 2014; Revised 14 October 2014; Accepted 14 October 2014; Published 5 November 2014

Academic Editor: Paul E. Di Cesare

Copyright © 2014 Alexander L. Dodds and Gregory C. R. Keene. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Although the incidence of minor heterotopic ossification is probably higher than what is usually expected, severe heterotopic ossification (HO) is an extremely rare event following total knee replacement surgery. We present the case of a 66-year-old woman who initially had achieved an excellent range of motion following bilateral uncemented rotating platform total knee replacement, before presenting with pain and loss of range of motion at 2 months after surgery. Severe HO was diagnosed on X-rays. Treatment consisted of nonoperative measures only, including physiotherapy with hydrotherapy and anti-inflammatories. She eventually regained her range of motion when seen at 8 months after operation. This case illustrates that nonoperative treatment without the use of radiotherapy or surgery can be used to safely resolve stiffness caused by HO after total knee replacement.