Orthopaedics – MCQ 12 – Pigmented villonodular synovitis
Pigmented villonodular synovitis most commonly affects :
a) Shoulder
b) Ankle
c) Knee
d) Metatarsophalangeal joint
Correct answer : c) Knee
It is a benign condition characterised by exuberant proliferation of synovial tissue. It affects synovial joints, tendon sheaths and bursae.