This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Surgery, Subject name: Surgery
Meconium ileus is firstly treated by ? 
Select and explain. 
A. paul mikulicz ileostomy, B. bishop ileostomy, C. contrast enema, D. barium enema
C: contrast enema
Answer: C: contrast enema 
Explanation: water soluble contrast enema releives obstruction in 75% of cases OPERATIVE INTERVENTION -paul mikulicz double barrel ileostomy koops distal chimney ileostomy santullis proximal chimney ileostomy