Anyone know any thing about ganglion cysts on the back of the hand? Think i may have one. I've had lumps come and go there, some bigger than the one at the moment, but this one is super painful, hurts when I write (I'm left handed) use scissors, cut with a knife, or just putting any pressure through my hand. Never been as painful as this time. Anyone ever had one? Or had any treatment, Dr Google just says it'll get drained but probably come back.