Studies of patients with PMR and giant-cell arteritis indicate that PMR could be a vasculitis limited to the subclavian or axillary arteries, or a synovitis or perisynovitis of the shoulders and hips.

There was localised tenderness, and McMurray’s test was positive. Arthroscopy revealed a 3.6 × 2.6 × 1.5 cm firm pedicular localised pigmented villonodular synovitis originating from the insertion of ...