I am contemplating knee surgery because I have tried everything else.I have lots of creams and lotions that are suposed to relieve pain.didn't work.I even resorted to being injected with hylaurinic acid with a needle as big as a flavor injector for a turkey.that didn't work either.if anyone has done this surgery please let me know what I am in for......recovery time and if the scar is big.write soon and thanks to all.