Urological anomalies detected on antenatal ultrasound: A 9 year review

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Abstract
One hundred and forty‐eight patients (107 male, 41 female), in whom a urological anomaly was detected on antenatal ultrasound examination, are reviewed. Postnatal imaging was done primarily by ultrasonography (US) which was often repeated. Depending upon the ultrasound findings, the patients had a renal nuclide scan (RNS) and/or micturating cysto‐urethrogram (MCU), but intravenous urogram (IVU) was not usually considered necessary. A range of urological anomalies was encountered, but renal anomalies were most common. Over half the cases had anomalies which did not require surgery, with non‐obstructive pelvicalyceal dilatation being frequent. Almost half the operated cases had features which should have allowed a clinical diagnosis without the knowledge of the antenatal findings. A fifth of the cases were occult in that they would not have been diagnosed early in life but for the antenatal detection. The majority had congenital pelviureteric junction obstruction and results of early reconstructive surgery were satisfactory.