A ganglion cyst is formed when fluid leaks from the joint or tendon tunnel and causes swelling beneath the skin. The cause may be unknown, but it may be due to arthritis and trauma. It is seen on the ankle, wrist, hand, and foot.
Ganglion Impar Block - Procedure, Conditions, and Risks
A ganglion impar block is a procedure used to relieve persistent pain in the lower pelvis, groin, rectum, or tailbone.
