Most common site of Gallstone ileus:: (A) Caecum, (B) 2nd pa of duodenum, (C) Terminal ileum, (D) Stomach
Answer is C. Gallstone ileus is an unusual complication of chronic cholecystitis due to impaction of gallstone in ileum after passing through a biliary-enteric fistula. Impacted gallstone usually in the terminal ileum at ileocecal valve Rigler's Triad: Pneumobilia Small bowel obstruction Gallstone at terminal ileum