Exact cause of Ganglion is not known. But following causes of ganglion are found in most of the cases.
- Trauma: Sudden traumatic injury to the joint may cause Ganglion
- Wear & tear: Ganglion may be due to mechanical or physical overuse or stress.
- Irritation of joints: Ganglion may be due to irritation at joint surfaces. Leaking of fluid from the joint may cause Ganglion.
- Joint dysfunction: Ganglion if very large and long standing may cause joint dysfunction.