The good news is that many wrist and hand lumps are benign (noncancerous). One of the most common causes is a ganglion cyst—a fluid-filled lump that often develops near a joint or tendon.
However, not every lump is the same. Some are related to the skin, others come from bones, joints or tendons, and occasionally a lump needs medical investigation.
Here are five possible causes of a bump on your wrist or hand and what you should do about them.
- Ganglion Cyst
A ganglion cyst is one of the most common explanations for a lump around the wrist.
It is a round or oval sac containing a thick, jelly-like fluid. Ganglion cysts usually form near joints or tendons and commonly appear around the wrist or hand. They are not
cancerous.
The lump may be small—sometimes around the size of a pea—or become considerably larger.
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