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Pyelitis

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This patient have a renal transplant that

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was placed and had leukocytosis. And

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so they wanted to evaluate the renal transplant for a potential ideology first thing

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you notice placed on the left lower quadrant.

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In this instance, it may have been because this was a

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second renal transplant for this patient or perhaps that patient could

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not get a transplant the right lower quadrant due to Anatomy reasons

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for regardless. This is the transplant over here. We can see it on the

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gray scale images. We measure it we look for any masses

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within it look for any collections surrounding it. We see this a little

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bit of fullness in the collecting systems that amount is acceptable.

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And we can see that degree of fullness. Sometimes we see that there

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is color flow within the renal transplant but one of the things I wanted

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to draw your attention to and this is a subtle but real finding look

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at the pelvis and portions of

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the renal pelvis over here. Actually, you can see how thickened

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it is, right? There's a little bit of anechoic content

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inside of it, which is going to be here and but

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the walls that are actually a little bit thickened.

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and

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If we look closely inside portion of the collecting system and

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pelvis over here again a little bit of thickening of that area

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over here again over here a little bit of thickening. It's quite subtle

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and it's extending into the collecting system over here. And

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so in the context of somebody who has

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leukocytosis that degree of thickening would be concerning for

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infection. One of the possibilities is pylitis.

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Which is in fact what this patient turned out to have one of

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the things you also look for is potential gas in

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the collecting systems, which may represent emphysemidis pilitus,

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but we do need to remember that gas the

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collecting systems may also be seen from reflection of

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the bladder if you place a Foley catheter and so the clinical context

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becomes very important somebody as in this instance

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you has leukocytosis who has thickening of the urithelial lining.

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We're more worried about infection and if

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we see gas would be more worried about an emphyseminist infection

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sometimes with pylitis. You may see pionepherosis

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where you have infectious debris filling the

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collecting system resulting in distention the collecting system. We don't

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quite see that at this instance. That's another Finding to

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look for in cases of highlighters and

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infectious conditions of the renal transplant.

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

Ultrasound

Kidneys

Infectious

Iatrogenic

Genitourinary (GU)

Body