Investigation of urinary tract infection.

Urinary tract infection (UTI) is common in infants and children, with a female preponderance except during early infancy. In an early report from University College Hospital, London, Smellie et al described 200 consecutively diagnosed children with UTI, of whom 188 were investigated by excretory urography or micturating (voiding) cystourethrography, or both.' Abnormalities were found in 50%