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?
High-Yield Explanation
a. Congenital aganglionic megacolonBa enema shows narrow distal segment with dilated proximal segment of intestineIntestinal biopsy shows hypertrophied nerve bundles between muscular layer & submucosa