<prompt> What surgery is the treatment of choice in otosclerosis?StapedectomyStapes mobilizationLemperfs FenestrationChemical labyrinthectomy  <response>: Ans. is a i.e., Stapedectomy Surgery in otosclerosiso Surgical management is the treatment of choiceo Following surgeries are usedA Stapedectomy with a placement of prosthesis: Here, complete stapes is removed and is replaced by a prosthesis. Traditionally it is considered as the treatment of choice.B Stapedotomy: Here, a laser is used to make a hole in stapes to allow the placement of a prosthesis. It is now increasingly becoming the procedure of choice.C Lemperts fenestration procedure: Fenestration of the lateral semicircular canal is done. It is reserved for cases where footplate cannot be mobilized during stapedectomy.D Stapes mobilization: It can be tried in those cases only in which there is partial ankylosis of stapes footplate. 