Extra-Articular Pigmented Villonodular Synovitis

Abstract

Villonodular synovitis are a group of idiopathic lesions that affect the synovial surfaces of joints, tendon sheaths, and bursae, causing tumor-like lesions. Pigmented villonodular synovitis rarely affects the tendon sheaths; its occurrence in extra-articular sites is uncommon. This case is presented for the rarity of occurrence. The literature is also reviewed.