Most cysts, tumors, and other lesions on the hand and wrist can be diagnosed in your office. A trio of experts provides step-by-step guidance. This is the first of a two-part series.

In cases of late rheumatoid arthritis, where your immune system attacks and inflames your joints, subchondral bone cysts can also form. In other cases, a joint injury might lead to a cyst without OA.

If a cyst forms in or around the radiocarpal joint, it can put pressure on the surrounding tissues, causing pain. Kienbock’s disease In this condition, the lunate bone loses its supply of blood ...

The cyst is usually firm, fixed to the deep tissue, and transilluminates. An Allen’s test should be performed to ensure radial and ulnar arterial flow is intact to differentiate a cyst from a ...

Radial tunnel syndrome occurs when a nerve in the forearm and hand becomes compressed. ... bone, and tendons. ... cysts or tumors that grow close to the radial nerve; injury to the arm; ...