These are common features of ganglion cysts:  Location. Ganglion cysts most often develop along the tendons or joints of wrists or hands. The next most common locations are the ankles and feet. These cysts grow near other joints too. Shape and size. Ganglion cysts are round or oval. Some are too small to feel. The size of a cyst can change, often getting larger over time with joint movement. Pain. Ganglion cysts usually are painless. But if a cyst presses on a nerve or other structures, it can cause pain, tingling, numbness or muscle weakness. 
common features ganglion cysts:  location  ganglion cysts develop tendons joints wrists hands  next common locations ankles feet  cysts grow near joints too  shape size  ganglion cysts round oval  small feel  size cyst can change  larger time joint movement  pain  ganglion cysts painless  cyst presses nerve structures  can cause pain  tingling  numbness muscle weakness
ganglion cyst