Synovial cysts, also known as mucous or myxoid cysts consist of ganglion or tissue mass of the adjacent joint. The synovial cyst spine may develop could be a result of the degeneration in the spine and as such cannot be seen in people that has not reached 45 years of age. Injections and tumor resection are treatment options to consider.
Ganglion Cyst - Found this very helpful when I was trying to figure out why my wrist hurts, and is very sensitive to pressure. Like when I try to do a push up, or push my self to stand up from sitting down. If you think you have a lump on the top of your hand/wrist this "could" be one explaination.