Fig. 16From: Imaging of urinary tract in children in different clinical scenarios: a guide for general radiologists12-year-old female with history of trauma. Ultrasound reveals perinephric collection (not shown). a Axial CT post-contrast at the nephrographic phase confirms the presence of perinephric collection. b Coronal MIP of the delayed excretory phase shows contrast extravasation from the injured pelvi-urerteric junctionBack to article page