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Duplex kidney

The world ‘duplex’ is Latin for ‘double’ so having a duplex kidney literally means that your child has a double kidney on one side. Some of our patients at Great Ormond Street Hospital who have this condition are proud to boast that they have three kidneys!

The double section is usually limited to the part of the kidney where the urine collects (the collecting system or renal pelvis), before the urine passes down the bladder in the usual way via a tube called the ureter.

More information for parents and visitors on duplex kidney 

Find out more about the Nephrology department including clinic information, staff members and contact details.

Are you visiting the hospital? Our wards and admissions section has details of where to go and what to expect.


From directions to support services and general health advice; everything you need to know for your visit.


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