Comparation of the diagnostic value of B-ultrasound and MSCT in acute renal colic caused by ureterolith
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摘要:
目的对比分析多层螺旋CT(MSCT)与B超在诊断输尿管结石所致急性肾绞痛中的应用价值。 方法回顾性选取我院2018年5月~2019年12月收治住院治疗的输尿管结石患者60例的B超及MSCT影像资料,分析B超及MSCT对不同部位的输尿管结石的诊断率,B超对输尿管结石的诊断敏感性与结石大小关系,并一步分析B超对输尿管结石引起其它MSCT征象诊断的敏感性。 结果MSCT对输尿管上、中、下段结石的检出率均高于B超,差异有统计学意义(98.3% vs 70%,P < 0.05);B超对结石直径≥6 mm与 < 6 mm的敏感性差异有统计学意义(χ2=3.951,P < 0.05),且MSCT对输尿管结石引起的肾积水,输尿管扭曲,肾周渗出征像检出率明显高于B超(P < 0.05)。 结论MSCT对门诊或急诊可疑输尿管结石所致的急性肾绞痛患者具有更可靠的诊断价值,推荐作为首选检查方法。 Abstract:ObjectiveTo analyze the value of MSCT and B ultrasound in the diagnosis of acute renal colic caused by ureteral calculi. MethodsSixty cases of ureteral calculi treated in our hospital from May 2018 to December 2019 were retrospectively selected for B-ultrasound and MSCT imaging data. The diagnostic rate of B-ultrasound and MSCT for different ureteral calculi was analyzed, the relationship between the diagnostic sensitivity of B-ultrasound to ureteral calculi and the size of calculi was analyzed, and the sensitivity of B-ultrasound to the diagnosis of other MSCT signs caused by ureteral calculi was analyzed in further step. ResultsThe detection rate of MSCT in upper, middle and lower ureteral calculi was higher than that of Bultrasound(98.3% vs 70%, P < 0.05). The difference between the sensitivity of B-ultrasound to calculi with diameter ≥6 mm and < 6 mm was significant (χ2=3.951, P < 0.05). The effect of MSCT on hydronephrosis caused by ureteral calculi and the detection rate of ureter distortion and perirenal exudation was significantly higher than that of ultrasonography (P < 0.05). ConclusionMSCT is more reliable in the diagnosis of acute renal colic caused by ureteral calculi in outpatient or emergency department. -
Key words:
- acute renal colic /
- ureterolith /
- multi-slice spiral CT /
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表 1 MSCT与B超对输尿管结石检出率与结石位置关系
Table 1. Relationship between the detection rate of ureteral calculi and the location of calculi by MSCT and B-ultrasound [n(%)]
结石部位 MSCT检出率 B超检出率 χ2 P 输尿管上段结石(n=23) 23(100) 20(86.9) 1.426 > 0.05 输尿管中段结石(n=17) 17(100) 11(64.7) 7.286 < 0.05 输尿管下段结石(n=20) 19(95) 11(55) 8.533 < 0.05 总检出率(n=60) 59(98.3) 42(70) 18.072 < 0.05 表 2 B超检出敏感度与结石大小的关系
Table 2. The relationship between the sensitivity of B-ultrasound detection and stone size (n)
结石大小 B超检出 B超未检出 敏感性(%) χ2 P ≥6 mm(n=38) 30 8 78.9 3.951 < 0.05 < 6 mm(n=22) 12 10 54.5 表 3 B超对MSCT显示的其它征像的敏感度
Table 3. Sensitivity of B-ultrasound with other features displayed by MSCT
组别 n(以MSCT 为参考) B超检出数 B超敏感度(%) χ2 P 输尿管扭曲 15 8 53.3 6.708 < 0.05 肾积水 28 28 100.0 0.000 1 肾周渗出 18 4 22.2 22.909 < 0.05 -
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