在单相的尿石评估可以取代无增强和多相计算机断层扫描协议在无痛可见血质
Kristina Flor Galtung1, Peter Mæhre Lauritzen2, Gunnar Sandbæk3
1Department of Radiology, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway. kriflo@ous-hf.no.
Scandinavian journal of urology
|September 13, 2024
概括
一次性瘤学阶段 (NP) 计算机断层扫描 (CT) 可以准确地检测和测量无痛可见出血症 (VH) 患者的尿路结石. 这种方法简化了成像,为石头检测和尺寸评估提供了高诊断性能.
科学领域:
- 放射学 放射学是一门学科.
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 诊断成像 诊断成像 诊断成像
背景情况:
- 无痛可见血 (VH) 通常需要多相计算机断层扫描 (CT) 来诊断尿路结石和恶性瘤.
- 以前的研究表明,单个查相 (NP) CT可以有效地检测无痛VH患者的恶性瘤.
- 在这个患者群体中,单次NP CT用于石头检测和尺寸测量的诊断效用尚未完全评估.
研究的目的:
- 为了评估单个查相 (NP) CT 在检测尿路结石的诊断性能.
- 评估单个NP CT在测量检测到的尿路结石大小时的准确性.
- 为了比较单个NP CT与无痛VH患者的标准四相CT的诊断能力.
主要方法:
- 一项前性诊断研究 (PROTEHCT) 包括308名没有疼痛的VH患者.
- 所有患者都接受了参考标准的四相CT,从中提取了单个NPCT.
- 两个独立的读者评估了NP CT的石头检测,大小,并进行了统计分析,以确定准确性和读者之间的一致性.
主要成果:
- 21%的患者被诊断出尿路结石,其中位数大小为5毫米.
- 单一的NPCT显示出高的每患者准确性 (96%),灵敏度 (86%),和特异性 (98%) 的石头检测.
- 对于5毫米以上的石头 (97%) 和膀/尿道石头 (100%) 的敏感度特别高,与大小有很强的相关性 (ρ = 0.91).
结论:
- 在诊断上,单个脏相 (NP) CT 足以检测无痛可见出血症 (VH) 患者的尿路结石.
- 这种简化的CT协议准确地测量了石头的大小,与参考标准有很强的相关性.
- 这些发现支持使用单个NP CT作为无痛VH的有效和潜在更高效的成像策略.
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