A 5-day-old term male neonate presents with delayed passage of meconium, abdominal distension and bilious vomiting. Barium enema and intestinal biopsy findings are shown below: What is the diagnosis?
1st picture shows narrow distal segment with dilated proximal segment of intestine in Ba enema. 2nd picture shows hyperophied nerve bundles between muscular layer & submucosa and enteric nerve plexuses lacking ganglion cells in H&E stain. Both the above findings are suggestive of Hirschsprung disease (Congenital aganglionic megacolon)
Congenital aganglionic megacolon
Hyperophic pyloric stenosis
Cystic fibrosis
Intestinal malrotation
Disorders of Gastrointestinal System Including Diarrhea