Hepatobiliary Disease USMLE Step 1 Practice Question
A 2-day-old male presents with a midline abdominal wall defect at the umbilicus containing herniated bowel and liver covered by a translucent membranous sac. Vital signs show HR 145/min, RR 42/min, temperature 37.2°C, and SpO2 98% on room air. Abdominal ultrasound confirms intact sac without rupture. The infant has normal meconium passage. Which of the following additional findings is most likely associated with this condition?
Answer choices
- ALeft-sided varicocele due to renal vein compression
- BFailure of neural crest migration in the distal colon
- CNonbilious projectile vomiting at 4 weeks of life
- DTrisomy 13 or 18Correct answer
- ENecrotizing inflammation of the pancreas
- FOmphalomesenteric duct remnant with intestinal obstruction
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