MRCP2-4620

MRCP2-4620

A 42-year-old, left-handed man presents with complaints of pain in his left wrist for the past 4 months. He has also noticed some mild discomfort in his right wrist. He works as a carpenter and has been struggling to perform his job. On examination, there is a localised swelling and tenderness over the dorsal aspect of the left wrist and mild tenderness over the radial aspect of the right wrist. Blood tests including haematology and biochemistry are within normal limits. What is the most probable diagnosis?