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Technetium-99m-dimercaptosuccinic acid renal scintigraphy in children over 5 years

par Vanderfaeillie, Anna;Flamen, Patrick ;Wilikens, A.;Desprechins, Brigitte;Piepsz, Amnon
Référence Pediatric nephrology, 12, 4, page (295-297)
Publication Publié, 1998-05

Article révisé par les pairs

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Résumé :

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.