Renal and bladder ultrasound fails to reliably rule out the possible genitourinary anomalies among children with a urinary tract infection and fever, researchers report in the journal Pediatrics, but the tool still has an important role, according to outside experts. "Readers should know that the RBUS recommended by the [American Academy of Pediatrics] guideline does serve a critical role in the evaluation of young children who have a first febrile UTI," said Dr. Stephen M. Downs. "But it is watchful waiting that screens for" vesicoureteral reflux.

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