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Localised pigmented villonodular synovitis: an uncommon cause of knee pain mimicking a meniscal tear
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  1. R Roach,
  2. I dos Remedios
  1. Sports Department, Robert Jones and Agnes Hunt Hospital, Oswestry, Shropshire, UK
  1. Correspondence to:
 Mr Roach, Rose Cottage, 2 Gravel Leasowes, Lightmoor, Telford TF4 3QL, Shropshire, UK;
 candr.roach1{at}btinternet.com

Abstract

A previously well 30 year old man presented with a short history of intra-articular mechanical locking, swelling, and anteromedial joint line pain. There was localised tenderness, and McMurray’s test was positive. Arthroscopy revealed a 3.6 × 2.6 × 1.5 cm firm pedicular localised pigmented villonodular synovitis originating from the insertion of the anterior horn of the medial meniscus. Owing to its size and consistency, mini-arthrotomy was required. This allowed a return to sporting activities. Localised pigmented villonodular synovitis can mimic symptoms of a meniscal tear.

  • knee
  • localised pigmented villonodular synovitis
  • arthroscopy
  • arthrotomy

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