<prompt> Following operations are done in case of otosclerosis:StapedectomyFenestrationStapedotomyAll  <response>: Role of surgery in a case of otosclerosisSurgeryformsthe mainstay of management in a case of otosclerosisSurgery of choiceStapedectoy stapedotmysurgery oh choice Lempes fenestration procedureFenestration of the lateral semicircular canal is done. It is reserved for cases where footplate cannot be mobilized during stapedectomyOutdated nowadays Stapes mobilizationIt is done in those cases only in wbichthere is paial ankylosis of footplate of stapes althoughreankylosis tends to develop a although reankylosis tends to develop 