They do - i dont think he's always correct, but I listed to a lecture on HL and he mentioned how polycythemia vera has hyperhisterinemia as a major side effect and a common presentation is a patient saying their itching after a shower.
Well that same question is on Qbank addressed the same way. Yet, in my BRS path book (what everoyne else considers the pathology bible) - there's no mention of it.
That's just an example, there are a lot of people I know that did extremely well using solely goljan and his notes. Gluck.