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Ankle Arthrodesis for Severe Arthritis Induced by Diffuse-Type Pigmented Villonodular Synovitis: A Case Report
J Korean Foot Ankle Soc 2018;22:173-176
Published online December 15, 2018;  https://doi.org/10.14193/jkfas.2018.22.4.173
© 2018 Korean Foot and Ankle Society

Young Kyu Kim, Jin Soo Suh, Jun Young Choi

Department of Orthopedic Surgery, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
Correspondence to: Jun Young Choi
Department of Orthopedic Surgery, Inje University Ilsan Paik Hospital, 170 Juhwaro, Ilsanseo-gu, Goyang 10380, Korea
Tel: 82-31-910-7968, Fax: 82-31-910-7967, E-mail: osddr8151@paik.ac.kr
ORCID: https://orcid.org/0000-0002-3864-9521
Received July 10, 2018; Revised September 4, 2018; Accepted September 18, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Pigmented villonodular synovitis (PVNS) is a proliferative disease that affects the synovial joint, tendon and bursa. PVNS can form a nodular structure in any joint, but it most commonly affects the knee joint and is rare in the foot and ankle joint. PVNS is divided into two types. Localized-type PVNS exhibits focal involvement with a nodular mass, while diffuse-type PVNS involves the entire synovium. Synovitis of the affected joint can also destroy cartilage and bone. Diffuse type accounts for 75% of PVNS and has a reported recurrence rate of 12.2% to 46%; aggressive synovectomy is recommended as the most effective treatment. In localized-type PVNS, only arthroscopic partial synovectomy is effective with a lower recurrence rate. We report a patient with severe ankle joint arthritis induced by diffuse-type PVNS. The patient was treated by lateral malleolar ostectomy and ankle arthrodesis with a plate and screws via a lateral approach.
Keywords : Ankle, Arthritis, Pigmented villonodular synovitis, Arthrodesis


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