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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Stent Placed After Kidney Dilation Cause Pain And Swelling?

I was diagnosed. With a upj obstruction due to a vessel. My kidney was dilated and I was not passing urine. I had emergency surgery and a stent was placed until further testing .I was still having pain and swelling after coffee or alcohol along with constant flank pain and tenderness. After a contrast cat scan they noticed a polyp in my right kidney above the stent. So Monday I have laser surgery and have it removed to see if that was causing the vessel to look obstructed. This pain has been going on for 6 years now and the only way they caught it was because an cray was done while I was in level 10 pain and extremely dialated in the right kidney. Can it
Be this hard to figure out. I see a urologist Two years ago due to kidney trouble and they said if your not having kidney infections big whoop. I know right. Any good questions I can ask to make sure they are sure?
Mon, 10 Nov 2014
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Radiologist,  's  Response
Hi,
Thanks for writing in.

A stent in the kidney through ureter and to urinary bladder can cause some amount of pain and discomfort. The stent can get displaced and cause an injury in the kidney pelvis and collecting system. It can also injure the upper portion of ureter. There are times when it can scrape the membranous part of ureter and cause bleeding. Swelling is an indirect occurrence of stent blockage and that can also cause a lot of pain. As you have mentioned, there was a polyp and it can cause a valve like mechanism leading to stent block and hydronephrosis.
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Can Stent Placed After Kidney Dilation Cause Pain And Swelling?

Hi, Thanks for writing in. A stent in the kidney through ureter and to urinary bladder can cause some amount of pain and discomfort. The stent can get displaced and cause an injury in the kidney pelvis and collecting system. It can also injure the upper portion of ureter. There are times when it can scrape the membranous part of ureter and cause bleeding. Swelling is an indirect occurrence of stent blockage and that can also cause a lot of pain. As you have mentioned, there was a polyp and it can cause a valve like mechanism leading to stent block and hydronephrosis.