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: Surgery
Hirschprung's disease is treated by - 
Select and explain. 
A. Colostomy, B. Excision of aganglionic segment, C. Colectomy, D. Sodium chloride wash
B: Excision of aganglionic segment
Answer: B: Excision of aganglionic segment 
Explanation: Ans. is 'b' i.e., Excision of aganglionic segment