Extensive osteolytic cystlike area associated with polyethylene wear debris adjacent to an aseptic, stable, uncemented unicompartmental knee prosthesis: case report |
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Authors: | Vicente Sanchis-Alfonso Javier Alcacer-García |
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Institution: | Department of Orthopedic Surgery, Hospital Arnau de Vilanova, Av. Cardenal Benlloch No 36, pta 23-B, 46021 Valencia, Spain. visaal@teleline.es |
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Abstract: | We present the case of a patient who after uncemented unicompartmental knee arthroplasty developed a large osteolytic cystlike area in the lateral aspect of the tibial metaphysis, contralateral to a well-fixed tibial component at revision surgery. The lesion contained fibrotic soft tissue, evidence of a foreign-body giant cell reaction and polyethylene particles, but no metal wear debris, infection, or malignancy. This case demonstrates that there is a direct communication between the joint cavity and the cyst. |
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