缩短的MRI可以取代IPMN监视中的标准协议吗? 一个回顾性比较研究
Sevde Nur Emir1, Görkem Karamustafao2, Gülbanu Güner2
1Department of Radiology, University of Health Sciences, Umraniye Training and Research Hospital, Istanbul, Turkey. drsevdenuremir@gmail.com.
概括
缩写型MRI (A-MRI) 提供了一种更快,更具成本效益的替代方案,用于监测分支-导管内导管内皮质粘膜瘤 (BD-IPMNs). 虽然A-MRI准确,但由于缺乏对比度增强,A-MRI可能会高估壁画结节.
科学领域:
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
- 胃肠病学 胃肠病学
背景情况:
- 由于先进的MRI,胰腺囊性病变 (PCL) 的检测越来越多.
- 分支导管内导管的乳头粘膜性瘤 (BD-IPMNs) 需要对恶性转变进行监测.
- 需要为BD-IPMN监测提供更短,更具成本效益的MRI协议.
研究的目的:
- 评估缩短MRI (A-MRI) 的诊断性能,用于BD-IPMN监测.
- 将A-MRI协议与标准MRI (S-MRI) 相比较.
- 在BD-IPMN随访中评估A-MRI的临床可行性.
主要方法:
- 对124名BD-IPMN患者进行了回顾性单中心研究.
- 分析了标准MRI (S-MRI) 和两个缩写MRI (A-MRI) 协议.
- 评估了病变大小,壁状结节,管道扩张和缩的退行迹象.
主要成果:
- 对于BD-IPMN退化标志物,A-MRI显示了高的诊断准确性 (灵敏度为100%,特异性为98.3%).
- A-MRI显著减少了扫描时间 (7-12分钟,而不是40-50分钟).
- A-MRI错过了对比度增强的壁画结节,并且对结节的错误阳性率更高.
结论:
- A-MRI是一种可行的,有效的替代BD-IPMN监测.
- A-MRI可降低成像时间和成本.
- 由于缺乏对比度增强,需要谨慎使用A-MRI对壁结的评估.
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