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Post-Transplant Lymphoproliferative Disorder Metastatic

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This patient has a history of renal transplants and

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had abdominal pain had a finding on a CT scan.

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This was followed by Pepsi tea. And so I wanted to

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Showcase some of the findings on the PET CT on the

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non-contrast portion of the PET CT. We can see that there's

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quite a bit of adenopathy here a large large lymph nodes

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within the mesentery this large

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one over here and then look at this Loop of bowel over

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here. See how thickened it is as well compared to some of these other Loops to

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a bowel wall is essentially a perceptible in this

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small bowel. Look here quite thicken and looks like it has a soft tissue attenuation.

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As we go lower down you can see the right lower quadrant

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renal transplant over here.

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And in the leftover quadrant, you can also see a transplant which

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is quite a trophic. So this is a failed renal transplant within the

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left lower quadrant.

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On the PET CT images on this patient we can see that the adenopathy

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is very ftg of it

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here all these nodes over here. And if we

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just go right to that Loop of bowel over here. Look how fdg Avid

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a loop of bowel is and so this is

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certainly taking up and picking up that radio tracer.

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In the context of somebody who has a real transplant the

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overall findings have to be concerning or

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at least one thing it has to be brought up is post-transplant lymphoproliferative

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disorder and seeing a

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case of post transplant. Liverpool is sort of within the kidney itself

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and certainly can be within the kidney or immediately surrounding

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the kidney that it's important to remember that it

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may also be location sort of distant from

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the kidney as in this instance in the bowel as well as within the

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mesentery we see nodes and so you can see

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it as nodes distant from the renal transplant. It

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can be external and it's distribution with involvement

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of the small bowel involving the liver other organs.

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And so this case nicely showcases nodal and

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extra nodal distribution of ptld a

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diagnosis. That was then made via a biopsy

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in this instance.

Report

Faculty

Mahan Mathur, MD

Associate Professor, Division of Body Imaging; Vice Chair of Education, Dept of Radiology and Biomedical Imaging

Yale School of Medicine

Tags

Retroperitoneum

PET

Neoplastic

Kidneys

Iatrogenic

Genitourinary (GU)

CT

Body