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Urinary and Genital Disorders (Children)

One kidney smaller than the other

08/21/2007

Question:

if a child is born with one kidney smaller than the other, and now the child is 8yrs of age and develops kidney stones what would you suggest?

Answer:

Those are two unrelated conditions. If there is a significant difference in size of the two kidneys and the stone is in the larger kidney, then it might be serious. Other factors include the location of the stone within the kidney as well as the size of the stone and whether it is causing hydronephrosis (suggesting obstruction). Furthermore, stones in 8 year old children are uncommon and a metabolic evaluation would be helpful.

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Response by:

Jack S Elder, MD, FACS, FAAP Jack S Elder, MD, FACS, FAAP
Clinical Professor of Urology
School of Medicine
Case Western Reserve University