• The Knee · Dec 2011

    Case Reports

    Successful treatment of wound breakdown caused by pyoderma gangrenosum after total knee arthroplasty.

    • N Nakajima, M Ikeuchi, M Izumi, M Kuriyama, H Nakajima, and T Tani.
    • Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-cho Kohasu, Nankoku 783-8505, Japan.
    • Knee. 2011 Dec 1; 18 (6): 453-5.

    AbstractPyoderma gangrenosum is a rare ulcerative disorder of the skin of unknown etiology. We present a case of pyoderma gangrenosum that occurred following total knee arthroplasty, which was initially misdiagnosed as severe wound infection. Repeated debridement procedures resulted in a large soft tissue defect around the anterior knee joint. The patient was treated successfully with a latissimus dorsi musculocutaneous flap under immunosuppressive therapy. Pyoderma gangrenosum is often misdiagnosed as an infected wound, but the treatment for theses differential diagnoses is completely different. When a lesion is refractory to thorough treatment for infection, a diagnosis of pyoderma gangrenosum should be considered.Copyright © 2010 Elsevier B.V. All rights reserved.

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