urethrography造句

• Urethrography or urethroscopy demonstrated no urethral stricture during follow - up ( 1 to 8 months )
  1例3个月时出现尿线细缓，予间歇扩张6个月后治愈。
• Conclusion ultrasonic approach is the first choice for diagnosis low segment ureteral polyp , and it is more valuable in patients complicated with x - ray negative stone , difficult for retrograde urethrography and allergy to iodine
  结论超声是输尿管下段息肉的首选筛查方法，对合并阴性结石、逆行造影困难、碘过敏者更具有价值。