短非对比双参数3T核磁共振对桃体感染的诊断性能:与包括对比增强序列在内的完整方案进行比较
Jari-Pekka Vierula1, Janne Nurminen2, Ville Jussila2
1Department of Radiology, Turku University Hospital, Turku, Finland. jptvie@gmail.com.
European radiology experimental
|October 23, 2023
概括
一个快速的5分钟磁共振成像 (MRI) 协议准确地检测桃体. 这种使用T2加权和扩散加权成像 (DWI) 的简短的MRI协议,为pharyngotonsillar感染提供了高诊断准确性.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
背景情况:
- 喉炎感染需要准确和及时的诊断.
- 在适当的管理中,区分桃体炎,腹腹和深部空间感染至关重要.
- 磁共振成像 (MRI) 是评估这些情况的宝贵工具.
研究的目的:
- 为了评估桃体感染的缩短5分钟MRI协议的诊断性能.
- 为了比较一个简短的MRI协议 (T2加权和DWI) 与一个完整的协议 (包括对比度增强的T1加权图像) 的准确性.
- 为了评估观察者之间的协议和读者对两种MRI协议的信心.
主要方法:
- 追溯分析52名疑似患有喉囊感染的患者,这些患者接受了3T部MRI.
- 图像由三名放射科医生审查,使用两个协议:一个简短的5分钟协议 (T2加权和DWI) 和一个完整的协议 (包括对比度增强的T1加权图像).
- 诊断准确性,灵敏度,特异性,观察者之间的一致性和读者信心与手术和临床结果相比被衡量.
主要成果:
- 短短的MRI协议显示,桃体的诊断准确度很好或很好 (0.91),灵敏度为0.93和特异性为0.85.85.
- 完整的方案显示略高的精度 (0.95),但差异没有统计学意义.
- 协议之间观察者间的共识是相似的,尽管读者对完整协议的信心更高.
结论:
- 使用T2加权和DWI序列的简短5分钟的MRI协议是诊断桃体的有效方法.
- 虽然对比度增强的图像增加了读者的信心,但它们并没有显著提高这些感染的诊断准确性或观察者之间的一致性.
- 简短的MRI协议提高了可行性紧急部成像对于疑似pharyngotonsillar感染.
相关概念视频
Tonsillitis I: Introduction
281
Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
Etiology
Three primary contributing factors have been identified.
281
Magnetic Resonance Imaging
5.2K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
5.2K
Tonsillitis II: Management
120
This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
120
Imaging Studies for Cardiovascular System IV: CMRI
38
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
38
Imaging Studies I: CT and MRI
255
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
255
Imaging Studies IV: Magnetic Resonance Imaging
11
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
11


