Longitudinal folds as an indirect sign of vesicoureteral reflux.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007275:Injections, Intravenous; D007682:Kidney Pelvis / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D014513:Ureter / Q000000981:diagnostic imaging* / Q000473:pathology; D014567:Urography; D014718:Vesico-Ureteral Reflux / Q000000981:diagnostic imaging*