A 26 year old engineering student presented to the emergency with pain in the wrist after a fall on an outstretched hand from the motorcycle travelling at a very high speed. Examination shows swelling, diffuse tenderness, deformity, and limited wrist movement. 'Spilled teacup' sign is seen on a PA view X-ray wrist. What is the likely diagnosis?
Scaphoid fractures Perilunate dislocation Post-traumatic ahritis Fracture of radial styloid