A giant cell tumor of the bone is a rare, typically benign tumor that often occurs in the long bones of the body, such as the femur or tibia.…When it occurs in the finger bone, it is particularly unusual.…This type of tumor is characterized by the presence of numerous multinucleated giant cells (hence the name) and typically affects individuals between the ages of 20 and 40.…Symptoms may include pain, swelling, and limited range of motion in the affected finger.…Diagnosis is typically made throu