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Diagnostic Imaging Pathways - Antenatal Hydronephrosis

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Technetium-99m Dimercaptosuccinic Acid (DMSA) Scan

  • Currently considered the reference standard for the detection of renal scarring and differential renal function in children, particularly those with evidence of vesicoureteric reflux. 15
  • The study involves the intravenous injection of DMSA and scanning the kidneys with a gamma camera approximately 2-6 hours later.
  • Currently, the long term implications of finding renal parenchymal defects on DMSA remains unquantified, however, the risk for future renal impairment, hypertension and poor quality of life is thought to be low. 2

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