Confirming This Condition in Pediatrics — Case | Pediatric Gastroenterology | SMLE Q#10998
SMLE Question #10998
Pediatrics
Pediatric Gastroenterology
Objective: OBJ-289
Last updated: February 2026
A 2-month-old male infant has chronic constipation, progressive abdominal distension, and intermittent bilious vomiting. He has had difficulty passing stool since birth, and meconium passage was delayed beyond 48 hours of life. He is underweight. Abdominal examination shows distension. Digital rectal examination is followed by a sudden passage of stool and gas. Hirschsprung disease is suspected. Which of the following diagnostic tests has the highest diagnostic value for confirming this condition?
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