Question

Most common site for impaction of gallstones in stone ileus is

Answer 1

Answer:

Gallstone ileus is responsible for 1%–4% of all cases with small-bowel obstruction [3]. The most common location of a calculus causing obstruction is the terminal ileum [1–5]. More proximal impaction is unusual whereas obstruction of the duodenum accounts for 1%–3% of all cases [2, 4, 6].

Answer 2

Explanation:

Gallstone ileus is responsible for 1%–4% of all cases with small-bowel obstruction [3]. The most common location of a calculus causing obstruction is the terminal ileum [1–5]. More proximal impaction is unusual whereas obstruction of the duodenum accounts for 1%–3% of all cases [2, 4, 6].