Technetium-99m-dimercaptosuccinic acid renal scintigraphy in children over 5 years |
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| Authors: | A. Vanderfaeillie P. Flamen A. Wilikens B. Desprechins A. Piepsz |
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| Affiliation: | (1) Department of Pediatrics, A.Z.-V.U.B. Free University, Brussels, Belgium, BE;(2) Department of Nuclear Medicine, A.Z.-V.U.B. Free University, Brussels, Belgium, BE;(3) Department of Pediatric Radiology, A.Z.-V.U.B. Free University, Brussels, Belgium, BE |
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| Abstract: | We retrospectively evaluated the frequency of renal scintigraphic abnormalities in children over 5 years admitted with a first symptomatic urinary tract infection (UTI). Among 261 children investigated, we found only 23 over 5 years having had technetium-99m-dimercaptosuccinic acid scintigraphy during the acute phase of a first UTI. Obvious scintigraphic abnormalities were detected in 14 children (15 kidneys): 12 kidneys showed focal cortical defects and 3 were small and deformed. Ultrasound was normal in 7 of the 15 kidneys with abnormal scintigraphy and in all the kidneys with normal scintigraphy. Among the 12 kidneys with focal cortical lesions, 8 kidneys returned to normal or improved considerably 2 – 12 months after initial work-up. In conclusion, in children over 5 years admitted with a first symptomatic UTI, the frequency of scintigraphic abnormalities is high and a strategy based only on ultrasound data would miss about 50% of the abnormal kidneys. Received July 8, 1997; received in revised form January 14, 1998; accepted January 22, 1998 |
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| Keywords: | : Dimercaptosuccinic acid Urinary tract infection Acute pyelonephritis Diagnostic strategy |
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