MCQ – 89034

Question

A 2-week-old infant is brought to the emergency room because of 4 episodes of bilious vomiting and inconsolable crying for the past 3 hours. Abdominal examination shows no abnormalities. An upper GI contrast series shows the duodenojejunal junction to the right of the vertebral midline; an air-filled cecum is noted in the right upper quadrant. Which of the following is the most likely cause of this patient’s condition?

A. Defective neural crest migration

B.

Failure of duodenal recanalization

C.

Nonrotation of the intestines

D.

Incomplete intestinal rotation

Show Answer

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