Which of the following is TRUE regarding duodenal atresia?
: 4. Which of the following is TRUE regarding duodenal atresia? A. It is associated with trisomy 21 in 10% cases. B. Abdominal X-ray is usually normal. C. Results from disruption of fetal blood supply. D. Operative repair involves duodenal resection. E. Concomitant abnormalities can include annular pancreas, esophageal atresia, or VACTERL lesions. 4. Which of the following is TRUE regarding duodenal atresia? : 4. Which of the following is TRUE regarding duodenal atresia? A. It is associated with trisomy 21 in 10% cases. B. Abdominal X-ray is usually normal. C. Results from disruption of fetal blood supply. D. Operative repair involves duodenal resection. E. Concomitant abnormalities can include annular pancreas, esophageal atresia, or VACTERL lesions. Duodenal Atresia : Duodenal Atresia Failure to recanalize lumen of duodenum after solid phase of embryologic development Associated with Down’s syndrome in 30% Vomiting can be bilious or non-bilious Abdominal X-ray shows “double-bubble” B