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Gallstone Ileus and Cholecytocolic Fistula

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Okay, so here is the classic KUB of gallstone

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ileus and our patient in the right upper quadrant.

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You can faintly see the pneumobilia outlining

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the common bile duct and into the liver,

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and you see dilated loops of small bowel.

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Once in a while you'll get a calcified

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gallstone, and then you've like.

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Hit it outta the park.

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But this is a beautiful KUB of gallstone ileus.

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Not that I'm expecting you to make the diagnosis

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from this, but you know, someday you wanna be a hero.

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So let's go with it again.

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Gallstone ileus should be called gallstone

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obstruction, but I can't change things in medicine.

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There are a lot of things I'm trying

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to change, and no one will let me.

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So, um, we're just gonna call it gallstone.

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Ileus, 'cause that's what people know.

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Here's the birth of our gallstone,

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isn't it so cute, so lucky.

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Sometimes you'll even get the

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surgical pictures back from these.

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Here's a beautiful gallstone ileus with an

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enlarged thickened gallbladder with a large

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calcified gallstone in the small bowel.

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Again, birth of a gallstone.

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Everyone's so happy, um, that these do need to be taken

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for surgical mies and for birth of those gallstones.

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They can obstruct in weird ways as well.

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Here was a case where the patient had had a gastric.

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Bypass, and their stomach was extremely

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dilated to the level of this extremely

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large gallstone and the excluded loop.

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This is quite dangerous, 'cause

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this is under a lot of pressure.

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Um, the patient can't vomit up any of

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that material because it's in the excluded

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lumen of the stomach after gastric bypass.

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So this is a gallstone, excluding the biliopancreatic

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limb of her gastric bypass.

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Again, birth of a large gallstone.

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You know, this is a surgical emergency.

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There are, of course, a lot of

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other ways things can fistula.

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Once you're talking about fistulas, things

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can fistula left and right, which is amazing.

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Here's a gallbladder, fistulizing to

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the colon causing a colonic obstruction.

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Here's a classic dead white guy name.

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It's Bouveret syndrome for all of you people who took

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French in high school, I did not took Spanish.

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It was easier.

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And this is a gallstone that is

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fistula to the pylorus of the stomach.

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It's a very large gallstone at that and will

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cause gastric outlet syndrome in these patients.

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So, gallstones, gallstones, gallstones.

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We've seen gallstones every way, every how today.

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This is, I believe, the last of

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their appearances in this course.

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And remember that gallstone ileus is yet an

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obstruction and usually needs to be treated surgically.

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If you see pneumobilia, if you see a bunch of stranding

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around the gallbladder and you've lost the stone,

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especially with a stone on a prior, you have to look

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very carefully in the bowel to see if you can find it.

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So gallstone ileus, not exactly common, but if you

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find it, everyone is so happy to make this diagnosis

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because it's something they've read about their

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whole life and it's their opportunity to shine.

Report

Faculty

Laura L Avery, MD

Assistant Professor of Emergency Radiology Harvard Medical School

Massachusetts General Hosptial

Tags

Small Bowel

Other Biliary

Gastrointestinal (GI)

Emergency

CT

Body

Acquired/Developmental