2Grignon A, Filion R, Filiatrault D, et al. Urinary tract dilata- tion in utero : classification and clinical applications [ J ]. Ra- diology, 1986,160 ( 3 ) :645 -647.
3Eden CG. Minimally invasive treatment of ureteropelvic junc- tion obstruction: a critical analysis of results [ J ]. Eur Urol, 2007,52(4) :983-989.
4Umari P, Lissiani A, Trrmbetta C, et al. Comparison of open and laparoscopic pyeloplasty in ureteropelvic junction ob- struction surgery : report of 49 cases [ J ]. Arch Ital Urol An- drol,2011,83 (4) : 169-174.
5Gallo F, Schenone M, Giberti C. Ureteropelvic junction ob- struction : which is the best treatment today? [ J ]. J Laparo- endosc Adv Surg Tech A ,2009,19 (5) :657-662.
6Boylu U, Basatac C, Turan T, et al. Comparison of surgical and functional outcomes of minimally invasive and openpyel- oplasty[ J ]. J Laparoendosc Adv Surg Tech A, 2012,22 (10) :968-971.
7Penn HA, Gatti JM, Murphy JP, et al. Laparoscopic versus open pyeloplasty in children: preliminary report of a prospective randomized trial [J]. J Urol, 2010, 184 (2): 690- 695.
8Blanc T, Muller C, Abdoul H, et al. Retroperitoneai laparoscopic pyeloplasty in children: long-term outcome and critical analysis of 10-year experience in a teaching center[J]. Eur Urol,2012,63(3) :565-572.
9Minnillo BJ, Cruz JA, Sayao RH, et al. Long-term experience and outcomes of robotic assisted laparoscopic pyeloplasty in children and young adults [J]. J Urol, 2011, 185 (4): 1455- 1460.
10Helmy TE, Sarhan OM, Hafez AT, et al. Surgical management of failed pyeloplasty in children: single-center experience[J]. J Pediatr Urol,2009,5(2) :87-89.