So I took Patrick in because he has developed a small lump (the head of a large pin) in the skin on his head, it's fairly firm. The vet thought it might be cyst, but it turned out not to be. She's 99% sure it's nothing to worry about, and said if it were her dog, she'd wait until the next dental and then remove and biopspy it while he's under, assuming there's no change. That's what we are planning on doing (his next dental is in June), because I hate to have to give him lidocane and do the punch biopsy because I've had it done and know how much they hurt.
Does this sound like a reasonable plan of action? For what it's worth, I really trust my vet, but I do tend to be a nervous mom about this stuff.