【摘要】 目的：探讨输尿管结石ＣＴ诊断的可靠性并对其常规影像学检查进行对照研究。方法：４５例输尿管结石病人均进行了ＣＴ平扫检查，同时有３２例行Ｘ线平片检查，２５ 例行Ｂ超检查，６ 例行静脉肾盂造影检查（ＩＶＰ）。所有病例均经尿道排石证实。结果：（１）输尿管结石在ＣＴ上表现为高密度，ＣＴ值≥１５０ ＨＵ，ＣＴ确诊率为９７．８％ （４４／４５）；（２）ＣＴ对结石引起的继发性改变，如输尿管、肾盂积水，输尿管壁水肿，肾实质损害等评价效果较好；（３）ＣＴ对输尿管结石，尤其是小结石（≤０．９ ｃｍ ）确诊率优于Ｘ线平片、Ｂ超等常规影像学检查方法（ｐ＜ ０．００５），对结石所致的急腹症病人有重要的诊断和鉴别诊断意义。结论：ＣＴ是目前确诊输尿管结石，尤其是小结石最有效的方法，对观察继发改变和指导治疗有重要价值。更多还原

【Abstract】 Objective:To evaluate the effect of CT in diagnosis of ureter stone.Methods:45 cases of ureter stone were examined by CT,and 32 cases were examined by X-ray film and 25 cases were examined by ultrasound.All cases were proved by clinic.Results:(1)Ureter calculus were showed as high density on CT scans,the attenuation valuses of ureter calcalus were beyond 150 HU.The detected rate by CT was 97.7%(44/45);(2)The changes whieh were secondary to ureter calcalus sach as hydroureter,ureteral edema,hydronephrosis and nephric function could be showed clearly on CT scans.Conclusion:At present,CT is the most valuable techique for diagnosing ureter stone and observing the secondary changes.更多还原