A newborn fails to pass meconium within 48 hours, has abdominal distension and bilious vomiting. Hirschsprung disease is suspected. Which investigatio...

Question

A newborn fails to pass meconium within 48 hours, has abdominal distension and bilious vomiting. Hirschsprung disease is suspected. Which investigation is diagnostic?

Accepted Answer

Rectal biopsy

Answer

Abdominal ultrasound

Answer

Plain abdominal X-ray

Answer

Barium swallow

Answer

Sweat test

MCQ (SBA): Hirschsprung disease

A newborn fails to pass meconium within 48 hours, has abdominal distension and bilious vomiting. Hirschsprung disease is suspected. Which investigation is diagnostic?