输尿管囊肿（Ureteroceles）与输尿管异位开口(Ectopic ureter)发病率据估计约为1/9000，多发生在重复输尿管畸形中，女性多于男性3~4倍。
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congenital ectopic ureter 先天性异位输尿管
ectopic ureter cyst 异位输尿管囊肿
ectopic ureter opens 异位输尿管开口
ectopic ureter orifice 输尿管异位开口
MRU may be the most precise diagnostic method in localization that can clearly show ectopic opening of ureter with agenesis or ectopic kidney.
MRU能精确清晰地显示开口异位的输尿管和肾脏，是最精确的定位检查方法。
Objective To study the diagnosis and treatment of congenital ectopic kidney with ectopic opening of ureter.
目的探讨先天性异位肾伴输尿管开口异位的诊断和外科治疗。
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