Anorectal anomalies are commonly associated with which of the following congenital anomalies?
ACardiac anomalies
BDuodenal atresia
CCNS malformations
DAbdominal wall defects
Double bubble sign is seen in -
ADuodenal atresia
BAnnular pancreas
CLadd's band
DAll of the options
A newborn baby presented with a failure to pass meconium in the immediate postnatal period. The pediatrician also notices visible yet ineffective peristalsis, and abdominal distention. A radiological contrast enema demonstrated a narrow conical segment and a dilated proximal bowel. A diagnosis of Hirschsprung disease was made. Which of the following is a cause of the condition in the patient?
APersistence of embryonic structures in the bowel wall
BCongenital obstruction due to external factors
CFailure of migration of neural crest cells
DAbnormal peristalsis due to neural dysfunction
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