title: [Postnatal echography and cystography after prenatal diagnosis of minor dilatation of the kidney pelvis. Prospective study of 89 cases].
abstract: We evaluated postnatal management after the prenatal diagnosis of moderate dilatation of the renal pelvis (antero-posterior diameter superior to 1 mm per month of pregnancy and inferior to 15 mm at full term). Eighty-nine neonates who had a moderate dilatation in utero were evaluated by ultrasound and voiding cysto-urethrography. Ultrasound was performed between day 2 and day 7 in 83 cases, after day 7 in 6 cases. Voiding cysto-urethrography was performed during first month in 80 cases, after this period in 9 cases. Sixty-five neonates were shown to have a malformation of the urinary tract: reflux (n = 27), megaureter (n = 20), uretero-pelvic junction obstruction (n = 19), renal duplication (n = 7), posterior urethral valves (n = 2), horseshoe kidney (n = 1), ureteric cyst (n = 1). Reflux which is frequent in neonates with urinary tract infection, is the most frequent cause of moderate dilatation of the fetal renal pelvis. Combination of ultrasound and voiding cysto-urethrography in neonates allows a quick, full diagnosis. It helps rationalize the use of prophylactic antibiotic treatment.
authors.affiliation: Service de Radiopédiatrie, Hôpital Charles-Nicolle, Rouen.
authors.forename: V
authors.initials: V
authors.lastname: Devaussuzenet
authors.forename: J N
authors.initials: JN
authors.lastname: Dacher
authors.forename: D
authors.initials: D
authors.lastname: Eurin
authors.forename: M
authors.initials: M
authors.lastname: Monroc
authors.forename: P
authors.initials: P
authors.lastname: Le Dosseur
mesh_terms: D004108:Dilatation, Pathologic; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007674:Kidney Diseases / Q000000981:diagnostic imaging / Q000517:prevention & control*; D007682:Kidney Pelvis / Q000473:pathology*; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011446:Prospective Studies; D011859:Radiography; D013997:Time Factors; D014463:Ultrasonography; D001743:Urinary Bladder / Q000000981:diagnostic imaging; D014718:Vesico-Ureteral Reflux / Q000000981:diagnostic imaging / Q000517:prevention & control
vernacular_title: Echographie et cystographie postnatales après diagnostic prénatal d'une dilatation mineure du bassinet. Etude prospective sur 89 cas.