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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does Hydronephrosis And Hydroureter Mean?

I was just diagnosed with moderate to severe right-sided hydronephrosis and hydroureter, with the point of obstruction at the junction of the mid distal third ureter. What does this all mean? They said there is no definite mass seen, and no definite adenopathy. I m having a ureteroscopy with possible biopsy done this week. I m nervous and confused... I do have a 3mm stone up in the same kidney.
Thu, 27 Nov 2014
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Radiologist,  's  Response
Hi,
Thanks for writing in.

The collecting system of the kidney is made of renal calyces and pelvis. This collects the urine formed in kidney and transports it tthrough the ureter (tubes connecting kidneys and urinary bladder) to the urinary bladder. Hydronephrosis means that there is swelling of the collecting system of kidney which icludes the calyces and pelvis of kidney. Hydroureter is a term applied to increase in diameter of the ureter which carries urine from the kidneys to urinary bladder.

Since you have a 3 mm stone in the kidney, it is possible that the stone is now in the lower part of ureter and is causing obstruction to flow of urine. This is causing the hydronephrosis and hydroureter in you and please drink adequate water to allow the stone to come out of the lower ureter and into the urinary bladder. You might have pain at this time which will disappear once the stone reaches the urinary bladder.
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What Does Hydronephrosis And Hydroureter Mean?

Hi, Thanks for writing in. The collecting system of the kidney is made of renal calyces and pelvis. This collects the urine formed in kidney and transports it tthrough the ureter (tubes connecting kidneys and urinary bladder) to the urinary bladder. Hydronephrosis means that there is swelling of the collecting system of kidney which icludes the calyces and pelvis of kidney. Hydroureter is a term applied to increase in diameter of the ureter which carries urine from the kidneys to urinary bladder. Since you have a 3 mm stone in the kidney, it is possible that the stone is now in the lower part of ureter and is causing obstruction to flow of urine. This is causing the hydronephrosis and hydroureter in you and please drink adequate water to allow the stone to come out of the lower ureter and into the urinary bladder. You might have pain at this time which will disappear once the stone reaches the urinary bladder.