Gastroenterology

Question 1

Shoulder sign on barium enema

Answer 1

Pyloric stenosis

Question 2

Double tract sign on barium enema

Answer 2

Pyloric stenosis

Question 3

Nonbilious, postprandial vomiting, hypochloremic metabolic alkalosis, firm, movable, olive-shaped mass, visible gastric peristaltic wave after feeding

Answer 3

Pyloric stenosis

Question 4

Part of GIT commonly involved in volvulus

Answer 4

Sigmoid and cecum

Question 5

Triad: sudden onset of severe epigastric pain, inability to pass a tube into the stomach, retching with emesis

Answer 5

Volvulus

Question 6

Bird’s beak sign on barium enema

Answer 6

Volvulus (colon) or Achalasia (esophagus)

Question 7

Inverted U sign on xray

Answer 7

Volvulus

Question 8

Coffee bean sign on xray

Answer 8

Volvulus

Question 9

Hallmark: bilious vomiting without abdominal distention

Answer 9

Duodenal atresia

Question 10

Double bubble sign on xray

Answer 10

Duodenal atresia

Question 11

Corkscrew sign on xray

Answer 11

Malrotation

Question 12

Remnant of the omphalomesenteric duct

Answer 12

Meckel diverticulum

Question 13

Congenital aganglionic megacolon

Answer 13

Hirschsprung disease

Question 14

Anorectal malformation, sacral anomalies and presacral masses in older patients (Currarino triad)

Answer 14

Hirschsprung disease

Question 15

Gold standard for diagnosis of Hirschsprung disease

Answer 15

Rectak suction biopsy

Question 16

Correlation with Adenovirus

Answer 16

Intussusception

Question 17

Coiled spring sign on barium enema

Answer 17

Intussusception

Question 18

Doughnut or target sign on ultrasound

Answer 18

Intussusception