Pigmented villonodular synovitis of second toe interphalangeal joint: Methods of imaging.

Pigmented villonodular synovitis is a rare proliferative disorder of the synovium of unknown aetiology. We present a case of pigmented villonodular synovitis in an unusual location, the interphalangeal joint of a toe, diagnosed by ultrasound with colour Doppler. The role of various imaging modalities in the diagnosis of pigmented villonodular synovitis is discussed.