作者单位:Department of Pediatric Surgery, Children Hospital, University of Limoges, 8 Avenue Dominique[1]Department of Pediatric Oncology, Children Hospital, University of Limoges, France[2]Department of Pediatric Anesthesiology, Children Hospital, University of Limoges, France[3]Department of Urology, Dupuytren Hospital, University of Limoges, France[4]