This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal tract, Subject name: Pediatrics
Acquired megacolon can be due to 
Select and explain. 
A. Leishmaniasis, B. Typhoid, C. Chagas disease, D. Amoebiasis
C: Chagas disease
Answer: C: Chagas disease 
Explanation: Acquired megacolon may occur at any age as a result of Chagas disease (Trypanosoma cruzi), obstruction by a neoplasm or inflammatory stricture, toxic megacolon complicating ulcerative colitis, visceral myopathy, or in association with functional psychosomatic disorders (poor toilet training during infancy). Ref : Bailey and Love 26e pg: 1177