Unlike a ganglion cyst, which contains fluid, this type of lump consists of solid tissue. It may feel firm and remain in the same general location for a long time.
Some people notice no symptoms beyond the bump itself. Others develop discomfort or restricted movement, depending on the lump’s size and location.
Although this condition is usually benign, it should be assessed by a healthcare professional because it can resemble other growths. Treatment may involve surgical removal, depending on the diagnosis and how the lump affects the hand. Recurrence is possible.
The American Society for Surgery of the Hand identifies giant cell tumors of the tendon sheath as one of the recognized causes of hand and wrist masses. <Cite refs={[“turn292722search2″,”turn292722search16”]} />
- A Lipoma: A Lump Made of Fatty Tissue
Another possibility is a lipoma, a growth made up of fat cells beneath the skin.
Lipomas are usually soft, slow-growing, and painless. They often move slightly when gently pressed, although the feel and mobility of a lump depend on its depth and location.