Board Thread:Naruto Discussions/@comment-3279282-20140417121721/@comment-24306779-20140417191356

Elveonora wrote: Noticed that Itachi joined Akatsuki post-massacre in this episode too. Except Orochimaru left Akatsuki 7 years before Part I. so what to do with that?

I don't think you should worry too much about the statement in Chapter 238, it was made 100 chapter before Orochimaru's attack on Itachi was depicted on the manga so it may simply be an internal inconsistency.