Synovial fluid: Fills ganglion cysts. These cysts are fluid filled sacs and synovial fluid is what lubricates the joint, fluid enters the cyst through a tiny attachment from the joint and makes the cyst large . This is why activity or force seemingly makes the ganglion larger as more pressure in the joint leaks into the cyst. Typically it's a like one way valve into the cyst but they can drain back spontaneously
Answered 10/10/2017
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Yes: Yes, ganglion cysts can have a traumatic cause among other possible etiologies.
Answered 10/10/2017
543 views
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