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Chapters

0:00 Introduction
0:54 Symptoms of Ganglion Cyst
1:33 Causes of Ganglion Cyst
1:58 Diagnosis and Treatment of Ganglion Cyst
3:15 Surgery




A ganglion cyst is a fluid-filled bump associated with a joint or tendon sheath.[3] They most often occur at the back of the wrist, followed by the front of the wrist.[3][4] Onset is often over months.[4] Typically there are no further symptoms.[3] Occasionally pain or numbness may occur.[3] Complications may include carpal tunnel syndrome.[4]

The cause is unknown.[3] The underlying mechanism is believed to involve an outpouching of the synovial membrane.[4] Risk factors include gymnastics.[3] Diagnosis is typically based on examination with light shining through the lesion being supportive.[4] Medical imaging may be done to rule out other potential causes.[3][4]

Treatment options include watchful waiting, splinting the affected joint, needle aspiration, or surgery.[3] About half the time they resolve on their own.[4] About 3 per 10,000 people newly develop ganglion of the wrist or hand a year.[5] They most commonly occur in young and middle aged females.[3]