​That bump on your wrist is likely a ganglion cyst - UChicago Medicine - lump inside of thumb

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Hand Tumors and Cysts | Midwest Orthopaedics at Rush lump inside of thumb


They are almost always benign but sinister lumps (cancer) can occur (although lumps are cancerous). The typical symptoms are of a slow growing.

Ganglion cysts look and feel like a smooth lump under the skin. made and a tiny camera called an arthroscope is used by the surgeon to look inside the joint; .

Thumb arthritis can cause severe pain, swelling, and decreased strength spurs ), which can produce noticeable lumps on your thumb joint.

Rheumatoid nodules are firm lumps under the skin. They tend to form close to joints in people affected by rheumatoid arthritis. How big are they.

Pain in affected area (though some may not be painful); Pain worsens with movement; Swelling or lump where growth is that appears gradually or suddenly .