A 38 year old motorcyclist presented to the emergency department after colliding with a car at speed. He had landed on his outstretched right hand and was complaining of a painful, swollen right wrist. Motor and sensory neurological function of the right radian, ulnar, and median nerves was intact. Radial pulse was palpable. Based on the radiographs of his wrist (fig 1), what is the diagnosis? Fig 1 (a) Anteroposterior radiograph of the wrist Fig 2 Lateral radiographs of the wrist The radiographs show volar dislocation of the lunate (fig 3). This injury classically occurs after a high-energy fall on an outstretched hand. On examination, the wrist is painful and there is diffuse swelling. …