Surgical Embryology

Question 1

What is the arterial supply to the foregut?

Answer 1

Coeliac artery

Question 2

What is the arterial supply to the midgut?

Answer 2

Superior mesenteric artery

Question 3

What is the arterial supply of the hindgut?

Answer 3

Inferior mesenteric artery

Question 4

What are the symptoms of pyloric stenosis?

Answer 4

Vomiting (no bile), dehydration, palpable mass

Question 5

What is a sign of duodenal atresia?

Answer 5

Double bubble, bile vomiting

Question 6

What are 2 complications associated with annular pancreas?

Answer 6

Duodenal obstruction and pancreatitis

Question 7

What happens in the first stage of intestinal rotation?

Answer 7

Rotation of DJ flexure anticlockwise

Question 8

What happens in stage 2 of intestinal rotation

Answer 8

270 degree rotation of caeco-colic loop to lie infront of DJ flexure

Question 9

What happens in stage 3

Of intestinal rotation?

Answer 9

Continuation of anticlockwise rotation of caeco-colic pole

Question 10

What could happen when there is a malrotation of the gut?

Answer 10

Ischaemia and venous infarction

Question 11

What is the name of the procedure used to correct a malrotation in the gut?

Answer 11

Ladd’s procedure

Question 12

Name 3 causes of GI atresia

Answer 12

Incomplete separation, vascular accident, failure of recanalisation

Question 13

Where is meckel’s diverticulum found?

Answer 13

Apex of midgut

Question 14

What is Hirschsprung’s disease caused by?

Answer 14

Failure of distal wave of ganglion cells

Question 15

What is a sign that a newborn baby has Hirschsprung’s disease?

Answer 15

Failure to pass meconium

Question 16

What is the difference between exomphalos and gastroschisis?

Answer 16

In exomphalos, the sac remains intact.

Question 17

In Which gestational week might exomphalos occur?

Answer 17

Week 10