Miscellaneous nontumor
Gallstone ileus

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 5 February 2018, last major update September 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Gallstone ileus[TI] free full text[sb]

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Cite this page: Gulwani, H. Gallstone ileus. website. Accessed January 21st, 2019.
Definition / general
  • Bowel obstruction due to gallstone entering intestine through cholecystoenteric fistula
  • Occurs in 20% of cases of gallstones passing into intestine
  • Usually single stones, 3 - 4 cm
  • Involves distal ileum (65 - 80%), also jejunum (20%), colon (3%), rarely appendix
  • Gallbladder usually small, fibrotic with adhesions
Case reports
Differential diagnosis
  • Enterolith: bile acid stones that form in situ within the bowel