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Miscellaneous non-tumor

Gallstone ileus

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 13 February 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.


● 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

● 92 year old man with symptoms and signs of large-bowel obstruction (HPB Surg 2010;2010:153740)

Differential diagnosis

● Enterolith: bile acid stones that form in situ within the bowel

Additional references

J Med Life 2010;3:365, CMAJ 2008;179:859

End of Gallbladder > Miscellaneous non-tumor > Gallstone ileus

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