Doubling of the kidneyTags: Urinary tract sonography, GE Logiq 400 MD, Clinical report, Pediatric Posts 03:31 13-05-2022 Doubling of the kidney#1 A 7-year-old child came to the public clinic for an ultrasound scan of the urinary system. On ultrasound, a parenchymal bridge is visualized in the middle third of the kidney (doubling).