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DMSA scintigraphy in renal duplex system

C M Kullendorff1, L Wallin

  • 1Department of Pediatric Surgery, University of Lund, Sweden.

European Journal of Pediatric Surgery : Official Journal of Austrian Association of Pediatric Surgery ... [Et Al] = Zeitschrift Fur Kinderchirurgie
|April 1, 1993
PubMed
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DMSA scintigraphy effectively assesses renal function in children with duplex systems, identifying severe damage to guide surgical decisions. This imaging technique is crucial for managing kidney abnormalities in pediatric patients.

Area of Science:

  • Pediatric Nephrology
  • Diagnostic Imaging
  • Urology

Background:

  • Renal duplex systems are congenital anomalies affecting kidney development.
  • Accurate assessment of renal parenchymal function is vital for managing these conditions.

Purpose of the Study:

  • To evaluate the utility of DMSA scintigraphy in assessing renal parenchymal function in children with duplex systems.
  • To correlate DMSA findings with management and surgical outcomes.

Main Methods:

  • Retrospective analysis of 40 children with renal duplex systems over 4 years.
  • DMSA scintigraphy performed on 52 duplicated kidneys across various age groups.
  • Correlation of scintigraphic findings with surgical interventions.

Main Results:

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  • DMSA revealed varying degrees of parenchymal damage in duplicated kidneys, with 23 cases showing severely deteriorated function (0-14% of total renal function).
  • Upper moiety dysfunction was noted in 15 cases, lower pole in 9, and both in one.
  • All 23 cases with severe damage underwent surgery (heminephrectomy or nephrectomy).

Conclusions:

  • DMSA scintigraphy is invaluable for assessing differential renal function in duplex systems.
  • This assessment aids in surgical decision-making for pediatric patients with renal duplex anomalies.