<prompt> Prussaks space is situated in:EpitympanumMesotympanumHypotympanumEar canal  <response>: a EpitympanumRef. Cummings, 6th ed., 1983The space of the epitympanum, lying in between the Shrapnells membrane or pars flaccida and the neck of malleus is known as PRUSSAKS SPACE.When the retraction pocket on Pars flaccida grows medially, it goes into this Prussaks space making this the most common site of primary cholesteatoma. 