Gallstone Ileus

Question 1

What is the most common site of small bowel obstruction from gallstone?

Answer 1

6-12 cm from the terminal ileum

Question 2

What is the most common site of large bowel obstruction from cholecystocolonic fistula?

Answer 2

sigmoid colon

Question 3

What is Bouveret syndrome?

Answer 3

Gastric outlet obstruction from impaction of large gallstone in duodenum due to cholecystogastric or -duodenal fistula

Question 4

How is the enteric stone removed operatively?

Answer 4

longitudinal enterotomy proximal to area of impaction, milk stone back and remove, then transverse closure in two layers OR resection of necrotic bowel segment

Question 5

What is the incidence of recurrent gallstone ileus?

Answer 5

5%