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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Have One Kidney, Ultrasound Showed Moderate Dilation Of Renal Collecting System With Renal Cortical Thinning. Advised CT Scan

I have on kidney ( congenitally ). Missing on the right. My ultra sound showed a moderate dilation of the left renal collecting system. A distal obstruction may be present. I also have left renal cortical thinning which may indicate vascular insufficiency. My doctor is now ordering a CT scan of my kidney. I am trying to determine what questions i should be asking and the severity of the above findings
Tue, 1 Oct 2013
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Radiologist 's  Response
Hello
Thanks for writing to HCM

Most likely left cortical thinning is due to dilated collecting system.Dilatation causes back pressure to kidney thus it causes thinning of cortex.
There must be distal obstruction which is causing dilatation.It may be in the form of calculus,stricture etc.
Cause of dilatation can be found out by C.T Scan.
Functional status is more important in your case as you have one kidney.
It can be determined by I.V.U or CT scan.
You should ask about functional status and cause of dilatation and its treatment.
Get well soon.

Take Care
Dr.Indu Bhushan
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Nephrologist Dr. Aditya Bhabhe's  Response
Hi
Thanks for the query
We need to determine two things:

1) The functional status of the single kidney: for this you need to check your blood urea, creatinine and urine R&M

2) The cause of the obstruction: this can be determined by doing a CT scan as your doctor has rightly advised.

Hope this helps
Good luck
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Have One Kidney, Ultrasound Showed Moderate Dilation Of Renal Collecting System With Renal Cortical Thinning. Advised CT Scan

Hello Thanks for writing to HCM Most likely left cortical thinning is due to dilated collecting system.Dilatation causes back pressure to kidney thus it causes thinning of cortex. There must be distal obstruction which is causing dilatation.It may be in the form of calculus,stricture etc. Cause of dilatation can be found out by C.T Scan. Functional status is more important in your case as you have one kidney. It can be determined by I.V.U or CT scan. You should ask about functional status and cause of dilatation and its treatment. Get well soon. Take Care Dr.Indu Bhushan