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Case: Pancreatitis With Pseudoaneurysm of Splenic Artery

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Okay, so here we have another

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contrast-enhanced CT scan.

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And let me tell you, this pancreatic case is for

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the heroes among you, but I think it's a good

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principle, and I think it's something to be aware of.

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So I think that it is a valid point here.

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So we have some intrahepatic biliary ductal

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dilatation, as we've seen again and again.

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This time we're seeing, again, a lot

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of gastric varices in this patient.

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They've had pancreatitis, hmm, maybe a couple times.

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Here we have a bunch of peripancreatic fluid as well.

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So we have acute pancreatitis, uh,

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maybe on chronic pancreatitis, because we

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know that the splenic vein is suspect.

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Here we have the portal venous confluence.

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Splenic vein just disappears, but wait a second.

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What's this?

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Mess up in the left upper quadrant.

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Okay, let's go coronal on this, 'cause I think

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that's going to be the best visual for you all.

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And when we come off, we're going to notice that we

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have, this is the splenic artery coming across

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the splenic artery, but we have this little

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nubbin extending off the splenic artery with

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high attenuation, um, within this cavity as well.

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Coming all the way to the spleen

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in the left upper quadrant.

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This is a very small,

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yet can be very deadly, splenic artery pseudoaneurysm.

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You can imagine that if pancreatic juice can eat

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the fat of your body and make it into soap, and

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if this pancreatic juice can cause all of those

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walled-off necrosis, that if you are an artery

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living in pancreatic juice, that's not good for you.

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So this is a splenic

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artery pseudoaneurysm.

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They are frequently about the

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size, just a nubbin of attenuation.

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Maybe with the pseudoaneurysm being larger,

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that's not completely enhancing here, but on your

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search pattern, when you go into hero status,

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which is where you're always trying to make it,

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you want to look for these tiny pseudoaneurysms.

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Unfortunately, they can rupture and cause

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devastating consequences, if not death.

Report

Faculty

Laura L Avery, MD

Assistant Professor of Emergency Radiology Harvard Medical School

Massachusetts General Hosptial

Tags

Pancreas

Non-infectious Inflammatory

Gastrointestinal (GI)

Emergency

CT

Body