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We present a case in which the growth of an intraosseous cyst arising from the proximal tibiofibular joint appeared to have been increased by polyethylene wear particles from a medial unicompartmental knee replacement. Histological examination of the cyst wall showed a histiocytic response associated with numerous polyethylene wear particles. This case demonstrates that there is a direct communication between the joint cavity and the cyst. Such communication is probably through openings in the articular cartilage large enough to allow the passage of these particles.

Type

Journal article

Journal

The Journal of bone and joint surgery. British volume

Publication Date

11/1998

Volume

80

Pages

990 - 993

Addresses

Department of Orthopaedic Surgery, University of Oxford, England.

Keywords

Humans, Bone Cysts, Osteoarthritis, Foreign-Body Reaction, Prosthesis Failure, Arthroplasty, Replacement, Knee, Reoperation, Knee Prosthesis, Aged, Male