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Anderson-Hynes dismembered pyeloplasty is the procedure of choice for robot-assisted cases. (A) dissection of the proximal ureter and ureteropelvic junction reveals a crossing vessel. (B) incision of the renal pelvis and transposition of the crossing vessel. (C) after spatulation of the ureter laterally a posterior anastomosis is performed with running or interrupted sutures. (D) a tension-free, watertight repair is achieved with an internal stent previously placed (not shown).
