A 4-week-old kid is sent to the hospital due to frequent vomiting, fussiness, and feeding resistance. The emesis started clean but turned bilious in the past three hours. The baby had been solely breastfed. His body temperature is 37.2 degrees Celsius (99.0 F). Blood pressure and pulse rate are also normal. A normal abdomen with no rebound or guarding is revealed by physical examination. An upper gastrointestinal series is obtained urgently to evaluate for malrotation and volvulus and shows normal rotation but constriction of the duodenum. A CT scan of the abdomen reveals pancreatic tissue around the duodenum. Which of the following is most likely to be the source of this patient's condition?

Question

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Eductional Objective: The inability of the ventral pancreatic bud to adequately migrate and merge with the dorsal bud during the seventh and eighth weeks of fetal development results in an annular pancreas, or pancreatic tissue surrounding the descending duodenum. Annular pancreas is often asymptomatic, however it can cause duodenal blockage or pancreatitis.

A 4-Week-Old Kid Is Sent to the Hospital Due to Frequent