Munchhausen has to do with an addiction to getting medical treatment, and often fake diseases or injuries to get it. It's not the enjoyment of actually being disabled that characterizes Munchhausen, but the attention they usually get while being "cured."
Also Munchhausen is still very much a thing, although there's debate whether it should actually be classified a "disorder" or not.
There are also severe cases of body dysmorphia, In example someone would fixate on their legs and not want them to be part of their body. People doing it no matter what pretty much means they need help either mental to determine why or perhaps if there is an underlying medical cause presenting in an unusual way.
Also Munchhausen is still very much a thing, although there's debate whether it should actually be classified a "disorder" or not.