I think one of the distinguishing characteristics with Pick's is the age of onset and how (and how soon) the symptoms manifest. The age it strikes and how it does so is what flags doctors. Longevity is greatly shortened with Pick's -- the time-frame generally ranges from 2 to 10 years. But, yes, the outcome is still the same.

I've not heard of the title before, Alfee, but will make sure to get a copy.