A ganglion cyst is a fluid-filled capsule that can cause swelling on the hand or wrist. It is the most common cause of a lump on the hand. These cysts are benign (not cancer) and will not spread ...

Ingrown hairs can cause a cyst, which is a fluid-filled lump. Home remedies and medical treatments may help manage an ingrown hair cyst. An ingrown hair occurs when the hair grows downward instead ...

A cyst is a sac of tissue that is filled with another substance, such as air or fluid. Tumors are solid masses of tissue. Cysts can feel tender to the touch, and a person may be able to move one ...