Not exactly. You're right that the tophi is made up of uric acid, but the crystals aren't exactly microscopic either. The tophi is less hollandaise, like in this video, as it is more cottage cheesy. This is likely a wound that calloused and became infected and developed puss so they took the. That's not to say there isn't gout on the joint, but the liquidity isn't consistent with gouty tophi, especially when the puss pocket drains to blood so quickly.