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Intrameniscal Gouty Tophi in the Knee: A Case Report
Tetsuhiro Aoki1, Keiji Tensho, Hiroki Shimodaira
1Department of Orthopedic Surgery (T.A., K.T., H.Shimodaira, Y.A., S.T., and H.K.), Department of Pathology (H.Shimojo), and Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research (N.S.), Shinshu University School of Medicine, Matsumoto, Asahi 3-1-1, Matsumoto, Nagano 390-8621, Japan. taoki08@yahoo.co.jp. kten@shinshu-u.ac.jp. shimohei4792@yahoo.co.jp. zebrawoodc@yahoo.co.jp. seijit@shinshu-u.ac.jp. mojo@shinshu-u.ac.jp. saitoko@shinshu-u.ac.jp. hirokato@shinshu-u.ac.jp.
Case:
We report a case of recurrent acute arthritis and restricted range of motion in the knee joint, with magnetic resonance imaging subsequently detecting a nodular lesion within the lateral meniscus. Knee arthroscopy and histology revealed that the lesion was intrameniscal gouty tophi. After arthroscopic synovectomy and excision of the tophi, the symptoms resolved and the patient remained symptom-free at two years of follow-up.
Conclusion:
Surgeons should be aware of the presence of such pathology and consider arthroscopic surgery if the mechanical symptoms persist.
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