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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes A Dark Spot On Kidney?

I was told I had a dark spot on my kidney. What could this be? I was told it could be a cyst on an MRI then was tod I needed a ultra sound to further test it and now I was was called back and need a ct scan because I was told it was a dark spot on my kidney...The y told me might might be nothing but what do you think this might be just to give me and idea of whats going on?
posted on Fri, 14 Mar 2014
Twitter Fri, 8 Jul 2016 Answered on
Twitter Mon, 11 Jul 2016 Last reviewed on
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Urologist 's  Response
Hello and welcome to HCM.
As an Urologist,i can understand your anxiety. You should write your age.
MRI scan has the best resolution and far better, than CT or ultrasound scan.
Anyway,don't worry about a black spot on kidney,seen on MRI scan.
Most probably,they may be meaning a cyst,which is a fluid filled swelling.
Such cysts are normally seen in many people and of no significance.
You can safely wait for 6 months and repeat an ultrasound scan then.
If you've any doubts,you may send them to me,as a direct question.
Dr.Matthew J. Mangat.

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What Causes A Dark Spot On Kidney?

Hello and welcome to HCM. As an Urologist,i can understand your anxiety. You should write your age. MRI scan has the best resolution and far better, than CT or ultrasound scan. Anyway,don t worry about a black spot on kidney,seen on MRI scan. Most probably,they may be meaning a cyst,which is a fluid filled swelling. Such cysts are normally seen in many people and of no significance. You can safely wait for 6 months and repeat an ultrasound scan then. If you ve any doubts,you may send them to me,as a direct question. Dr.Matthew J. Mangat.