A lady presents with swelling of hands with shiny skin. She has a history of fracture radius and kept on POP cast for 4 weeks after which she develops this. Give the most likely diagnosis: (A) Myositis ossification, (B) Rupture of external pollicis longus tendon, (C) Reflex sympathetic dystrophy, (D) Malunion
Answer is C. C i.e. Reflex sympathetic dystrophy