The clinical presentations included flank pain or lower abdomen pain in 9 cases, menstrual disorder in 1, and previous dysmenorrhea in 8. B-ultrasound indicated unilateral upper urinary tract dilation and hydrops in all cases, with pyelic separation from 26 to 52 mm.

  • 临床表现为腰痛或下腹部疼痛不适9例,月经紊乱1例,有痛经史8例。B超均提示单侧上尿路扩张并积水,肾盂分离26~52mm。

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