Experts from a US museum believe it could be one of the oldest examples of advanced surgery. The Museum of Osteology in Oklahoma said the skull is reported to have been that of a man who was injured in battle before undergoing surgery to implant a piece of metal in his head to repair a fracture.
They discounted the idea because
This rarely happens when they pour molten metal on the head, according to medical experts.
(source: Snopes)
I am not a medical expert but I concur that having molten metal poured over your head and having signs of healing would have very little correlation
Go stay at a Holliday Inn and tell us what you think the following morning.
Couldn’t they have cast it and put the patch in after it cooled?
Thanks for the link, it also answered my question about the shape of the skull.
Thanks! I wasn’t seriously considering that it may have happened, just reminded me of movies (as I mentioned) and was keen to read more as no source was linked.