This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Which of the following surgical procedure can be used as an alternative for SMR (Submucosal Resection)? 
Select and explain. 
A. Tympanoplasty, B. Septoplasty, C. Caldwell Luc operation, D. Tuboplasty
B: Septoplasty
Answer: B: Septoplasty 
Explanation: In submucosal resection there is removal of the entire septum except for a 1cm wide dorsal and caudal stua that remains for nasal suppo. An alternative to this procedure is septoplasty in which the surgeon resects only the deted poion of the nasal septum allowing maximal preservation of this structure. Clinical indications of septoplasty: Detion of the nasal septum with paial or complete unilateral or bilateral obstruction of airflow Persistent or recurrent epistaxis Evidence of sinusitis secondary to septal detion Headaches secondary to septal detion and contact points Anatomic obstruction that makes indicated sinus procedure difficult to perform efficiently Obstructive sleep apnea As an approach to transseptal transsphenoidal approach to pituitary fossa