I'm wondering if she had some sort of infection there...maybe a low blister that allowed this skin to come off with the shed. But that's a pretty big patch to leave open to further infection, so as I said, "wound care" (antiseptic) asap. Wouldn't hurt to see a vet, I agree.
Oh no, an infection? That's horrible. She has another patch connected to that one on her belly scales.. but thats it. Ill definitely keep watch very closely. I'll try everything I can to avoid this again.