<prompt> Menieres disease is:Perilymphatic hydropsEndolymphatic hydropsOtospongiosisCoalescent mastoiditis  <response>: b Endolymphatic hydropsRef. Cummings, 6th ed., 2331Menieres is also known as endolymphatic hydrops.There is no condition called Perilymphatic hydrops.Otospongiosis also known as otosclerosis is fixation of foot plate of stapes.Coalescent mastoiditis is infection of the mastoid air cells and is a complication following ASOM unsafe CSOM. 