Gastroenterology Quiz #27: Malrotation, Intussusception and Volvulus

1. A 3-week-old male infant is brought to the pediatrician due to bilious vomiting and failure to thrive. An upper gastrointestinal series shows the duodenojejunal junction lying to the right of the midline. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 7-month-old baby is brought to the emergency department with acute onset of intermittent, severe abdominal pain evidenced by the baby drawing his legs up to his chest. The mother also reports episodes of vomiting and a recent, unusual stool that looked like "currant jelly." On examination, a sausage-shaped mass is palpable in the right upper quadrant. What is the most likely diagnosis? 

Question 2 of 5

3. A 25-year-old man presents to the emergency room with sudden onset of severe abdominal pain, vomiting, and abdominal distention. He has a history of cystic fibrosis. An abdominal X-ray shows a "whirlpool" sign. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. A 2-day-old newborn is brought to the hospital with bilious vomiting and abdominal distension. An X-ray of the abdomen shows a "double bubble" sign. Which of the following conditions is most commonly associated with this radiographic finding? 

Question 4 of 5

5. A 4-year-old boy presents to the pediatrician with a 1-day history of abdominal pain, vomiting, and anorexia. On physical examination, there is tenderness in the right lower quadrant. Ultrasound of the abdomen shows a "target" or "doughnut" sign in the transverse plane. What is the most likely diagnosis? 

Question 5 of 5


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