This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
What surgery is the treatment of choice in otosclerosis? 
Select and explain. 
A. Stapedectomy, B. Stapes mobilization, C. Lemperfs Fenestration, D. Chemical labyrinthectomy
A: Stapedectomy
Answer: A: Stapedectomy 
Explanation: 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.