J Korean Foot Ankle Soc.  2018 Dec;22(4):173-176. 10.14193/jkfas.2018.22.4.173.

Ankle Arthrodesis for Severe Arthritis Induced by Diffuse-Type Pigmented Villonodular Synovitis: A Case Report

Affiliations
  • 1Department of Orthopedic Surgery, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea. osddr8151@paik.ac.kr

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 diffusetype PVNS. The patient was treated by lateral malleolar ostectomy and ankle arthrodesis with a plate and screws via a lateral approach.

Keyword

Ankle; Arthritis; Pigmented villonodular synovitis; Arthrodesis

MeSH Terms

Ankle Joint
Ankle*
Arthritis*
Arthrodesis*
Cartilage
Foot
Humans
Joints
Knee Joint
Recurrence
Synovial Membrane
Synovitis
Synovitis, Pigmented Villonodular*
Tendons
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