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Urinary and Genital Disorders (Children)

Multicystic kidney

12/04/2006

Question:

I`M 23 WEEKS PREGNANT, I`VE BEEN TOLD THAT MY SON MAY HAVE MULTICYSTIC KIDNEY DISEASE, OR HYDRONEPHROSIS, WHAT IS THE DIFFERENCE. CAN A HYDRONEPHROSIS KIDNEY HAVE A CYST ALSO?

Answer:

A multicystic kidney is a kidney that never developed properly and will not function. These kidneys usually disappear on their own over the first few years of life, although they occasionally need to be removed. Hydronephrosis means the kidney is dilated. This can be due to an obstruction, due to reflux (urine backing up from the bladder) or normal. An ultrasound before birth cannot truly differentiate between the two. The child will need to have ultrasounds after birth to sort out the issues.

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Response by:

Rama   Jayanthi, MD Rama Jayanthi, MD
Clinical Assistant Professor of Urology
College of Medicine
The Ohio State University