3.0 T前列腺MRI:使用PI-QUAL得分对2D和3DT2加权成像序列的视觉评估
Nina Brillat-Savarin1, Carine Wu1, Laurène Aupin1
1Department of Radiology, Hôpital Pitié-Salpétrière, Assistance Publique des Hôpitaux de Paris, 47 boulevard de l'Hôpital, 75013 Paris, France.
European journal of radiology
|July 15, 2023
概括
二维 (2D) T2加权序列在3.0 T MRI中的三维 (3D) T2加权序列相比,为划定关键前列腺结构提供更优质的图像质量. 放射科医生发现二维序列更好地可视化囊,关肌肉和射精管道.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 前列腺癌的诊断 前列腺癌的诊断
背景情况:
- 前列腺MRI对于诊断前列腺癌 (PCa) 是至关重要的.
- T2加权 (T2w) 成像是前列腺MRI协议的基石.
- 将2D和3DT2w序列进行比较对于优化诊断精度至关重要.
研究的目的:
- 在3.0T前列腺MRI中比较2D和3DT2w序列的图像质量.
- 评估读者体验对图像质量评估的影响.
- 评估PI-QUAL启发的图像质量评估标准的实用性.
主要方法:
- 91名疑似PCa的男性患者接受了3.0 T MRI,包括3D T2w和2D T2w序列.
- 四名放射科医生使用基于PI-QUAL标准的利克尔特比例表来评估图像质量.
- 评估的参数包括整体解剖学,囊,精液囊泡,射精管道,关肌肉划分,人工物和瘤显著性.
主要成果:
- 2D和3DT2w序列之间的整体图像质量没有显著差异.
- 2D T2w 序列在界定外部囊,关肌肉和射精管道方面获得了显著更高的评分 (p < 0.05).
- 发现3D T2w 序列更容易出现文物.
结论:
- 3D T2w 序列不能替代前列腺MRI 的 2D T2w 序列,因为人工物率更高.
- 2D T2w 序列提供了关键解剖结构的优越划分.
- PI-QUAL标准有助于在前列腺MRI中对T2w图像质量的可重复评估.
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