Because the cause of a ganglion cyst is not known, it is difficult to tell how to prevent them. Early evaluation and treatment are recommended.
Because this is a harmless tumor that can go away on its own, or after a simple needle aspiration or minor surgery, chances are good that you will have a full recovery. Because ganglion cysts may come back after any of these treatments, however, a single treatment may not be enough.
Media file 1: A traumatic ganglion cyst. This person came to the emergency department with a painful bump after the wrist was hit by a car door.
Media file 2: The jellylike fluid taken from the cyst in Image 1. Its presence confirms the diagnosis of a ganglion cyst.
Media file 3: An ultrasound image shows the ganglion cyst (area between markers) from Image 1.
Media file 4: A ganglion cyst that has been operated on in the past. This ganglion returned because this person plays the cymbals in her school band.