J Korean Orthop Assoc.  2021 Oct;56(5):440-444. 10.4055/jkoa.2021.56.5.440.

Intrameniscal Gouty Tophus Originating from Medial and Lateral Meniscus

Affiliations
  • 1Department of Orthopedic Surgery, Tantan Hospital, Korea
  • 2Department of Orthopedic Surgery, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea

Abstract

In advanced gout, monosodium urate crystals are deposited in the joints and surrounding tissues, resulting in gouty tophi. A 45-year-old man was admitted to hospital due to pain and a limited range of motion in his right knee. Magnetic resonance imaging revealed a mass, and arthroscopic surgery and biopsy were then performed. Gouty tophi invading the anterior horns of the medial and lateral menisci were identified and surgically removed. To the best of the author's knowledge, there is no case report of intrameniscal gouty tophi invading both the medial and lateral menisci. This paper presents this case along with a review of the relevant literature.

Keyword

knee; meniscus; gout; arthroscopy
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