Anything that requires a vaginectomy (basically, anything with a urethral hookup) will require a hysto. They can't leave the uterus in there with nowhere to drain.
Without a hysto, there's always a chance of bleeding, however slight. So if you elect for a bottom surgery option that doesn't require a hysto (release is the only one I can think of) then you may still bleed, and almost certainly will if you stop T.