Mirin' that vacuum?
I listen to RxMuscle occasionally, and he does bring up the fact that he doesn't have very good bone structure (to put it lightly). His last bodybuilding appearances were in 2004, and he honestly didn't look that different from 2002, which was arguably his best year (whatever that means). Palumboism refers to a guest appearance he made in 2003 where his arms and legs seemed to have melted and his midsection looked blown out.
Maybe he was super depleted or dehydrated, or maybe he overdieted or was off cycle at the time, and that's what made his legs and arms shrink up so much. Big Ramy's arms shrunk up at the prejudging this year, but they grew back by the next day. Palumbo's arms and legs grew back in 2004 for a few shows and appearances before he ended up in prison, so I think it's a bit of a stretch to say that there was some kind of mysterious medical condition that caused his arms and legs to permanently deflate and his midsection to blow out. Remember that his midsection was always huge and barrel-like, so it would just appear even bigger when the limbs aren't there.
I think Palumbo's problem was that he always looks like dogshit no matter how big or small he got. His abdomen was huge and atrocious whether he was a big pile of dogshit or an overdieted dangly-limbed slightly-smaller piece of dogshit.