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 ...

Many people will get tumors in their hands, but the majority of these tumors are benign, meaning they don’t cause cancer. When malignant, or cancerous, tumors do form, most of these tumors are types ...