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Renal cortical scintigraphy and diuresis renography in infants and children

M A Rossleigh1

  • 1Department of Nuclear Medicine, Sydney Children's Hospital, Australia.

Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
|February 24, 2001
PubMed

Insights

Pediatric renal scintigraphy, including 99mTc DMSA scans for urinary tract infections and 99mTc MAG3 renography for obstruction, aids in diagnosing kidney conditions. This review outlines standardized methods and discusses existing controversies in these common pediatric imaging studies.

Area of Science:

  • Pediatric Nuclear Medicine
  • Pediatric Radiology
  • Pediatric Nephrology

Background:

  • Renal scintigraphy is a common diagnostic tool in pediatric patients.
  • It is primarily used to evaluate urinary tract infections (UTIs) and renal tract obstruction.

Purpose of the Study:

  • To review the established indications and methodologies for pediatric renal scintigraphy.
  • To highlight areas of consensus and ongoing controversy in the performance of these nuclear medicine studies.

Main Methods:

  • Review of renal cortical scintigraphy using technetium-99m dimercaptosuccinic acid (99mTc DMSA) for UTI sequelae and acute pyelonephritis.
  • Discussion of diuresis renography using 99mTc mercaptoacetyltriglycine (99mTc MAG3) for evaluating renal tract obstruction, particularly ureteropelvic junction obstruction.

Main Results:

  • 99mTc DMSA scintigraphy is crucial for assessing chronic renal scars post-UTI.
  • 99mTc MAG3 renography is highly effective for diagnosing and managing renal obstruction.

Conclusions:

  • Standardized approaches exist for pediatric renal scintigraphy.
  • Areas of debate in study performance require further clarification to optimize diagnostic accuracy and patient care.

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