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Urinary and Genital Disorders (Children)

Normal annual kidney growth

08/20/1998

Question:

My 7 year-old daughter has been on prophylactic antibiotics for 4 1/2 years. Over the past two years she has had three renal ultra sounds to evaluate kidney structure and growth. I would like to know what is considered to be normal annual kidney growth for a child of her age (7 yrs, wt: 21 kg).

Thanks.

Answer:

Measurement of kidney growth is a good way to check on the overall health of the kidneys. The kidneys do not grow very fast. They may only grow several millimeters over a year. Many radiology departments will have a kidney growth chart with the annual measurements plotted on a graph. This chart quickly and easily tells you if the kidneys have been growing appropriately over the course of time.

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Response by:

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