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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Infant. Normal and healthy. History of diagnosing mild dilation fetal renal pelvis during pregnancy. Doctor suggested scanning . Advice

Hello Doctor,

Now my baby is 9 months old, during my pregnancy on 5th month i had a scanning in which doctor said that there is a mild dilatation fetal renal pelvis on either side with 4.2 or 4.3MM (Not sure on the number). Later after immediate delivery I checked with my pediatrician. He asked me whether my baby is normally having his Urine pass . Yes, everything is fine with my son ... Now My son is 9 months completed & i casually checked with my doctor... He asked me to check with scanning again & come back... Please advice & help me...
Fri, 10 May 2013
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Pediatrician 's  Response

Thank you for your query on Healthcare Magic.

Child needs repetition of ultrasound abdomen and pelvis to look for any improvement or progression of renal pelvis dilatation.

Some times the dilatation will get corrected spontaneously.

But some will progress to cause further dilatation effecting kidney function in long term.

So I advise you to go for scanning as per your doctor advise.

Hope I have answered your query.

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General & Family Physician Dr. S. Jegadeesan's  Response
You have 9 months old baby. During routine? Antenatal scans the doctor said that there is a mild Renal Pelvis Dilatation (RPD) on either side with 4.2 or 4.3MM (Not sure on the number), and NO other anomaly. You consulted a pediatrician immediately after delivery. As your baby didn't have any urinary problem, the Dr told you everything is fine. Now your baby is 9 months old and you have been advised to have a routine scan to assess the present condition. The gestational age and size of the Renal Pelvic Dilatation are important. Eventhough Less than 5 mm RPD is nothing to worry at that gestational age, and the child is not having any urinary symptoms, it is better to repeat the scan to assess the present condition.

Best wishes
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Pediatrician Dr. Y V Siva Sankara Murty's  Response

Thanks for writing to health care magic.

Yes your infant should be investigated to rule out any abnormality which might have caused such problem

A ultrasound scan followed by MCU (if there is hydronephrosis on ultrasound) may be required to rule out anomalies like posterior urethral valves etc.
Continue to ask further queries.
Hope this helps.
Take care.
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Cardiologist Dr. Anantharamakrishnan's  Response
Hi friend,
Welcome to Health Care Magic

The initial observation could have been functional or anatomical.
With time, there is possibility of correcting itself...
It is necessary to repeat the ultrasound and compare
Paediatric Urologist is concerned specialist to approach

Take care
Wishing speedy recovery
God bless
Good luck
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