X-ray
Lateral
Oblique
Cannula projected over the 1st metacarpal.
Extensive lucency and bony resorption with cortical bone destruction centred on the 1st CMC joint with a widening of the joint space.
Pathological fracture through the base of the 1st metacarpal.
Minor bony resorption of the radial aspect of the scaphoid and radial tubercle.