关于VI-RADS的实用指南:MRI协议,损伤特征和陷
Jônatas Fávero Prietto Dos Santos1, Caroline Lorenzoni Almeida Ghezzi1, Ivan Morzoletto Pedrollo1
1From the Department of Radiology, Division of Body Imaging, Hospital Moinhos de Vento, 910 Ramiro Barcelos St, Porto Alegre, RS 90035-000, Brazil, and Program in Pneumology Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil (J.F.P.d.S.); Department of Radiology, Division of Abdominal Imaging, Hospital Moinhos de Vento, Porto Alegre, Brazil (C.L.A.G., I.M.P., A.S.); Department of Radiology, Division of Abdominal Imaging, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil (C.L.A.G., I.M.P); Department of Radiology, Division of Abdominal Imaging, Hospital da Restauração, Recife, Brazil, Centro de Diagnóstico Boris Berenstein, Recife, Brazil, and Department of Radiology, Division of Abdominal Imaging, Hospital Santa Joana, Recife, Brazil (I.R.C.); Division of Abdominal Imaging, Diagnóstico Avançado por Imagem (DAPI), Curitiba, Brazil, and Department of Internal Medicine, Division of Abdominal Imaging, Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil (O.F.G.O., M.Z.); and Department of Radiology, Oncology and Hematology, Division of Abdominal Imaging, Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil (V.F.M.).
精确地确定膀癌 (BC) 的阶段对于治疗至关重要. 带有膀成像报告和数据系统 (VI-RADS) 的多参数核磁共振 (MRI) 对检测肌肉侵入的膀瘤 (TURBT) 的顺尿管切除提供了更好的准确性.
科学领域:
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
背景情况:
- 尿癌是最常见的膀癌 (BC),需要精确的瘤分期治疗和预后.
- 将非肌肉侵入性BC与肌肉侵入性BC (MIBC) 区分开来至关重要,因为MIBC通常需要新辅助疗法,然后进行激进囊切除术.
- 膀瘤的穿尿管切除 (TURBT) 是分期的标准,但由于肌肉自身的样本采集不足,经常导致低分期.
研究的目的:
- 评估多参数MRI在评估膀癌瘤分期方面的实用性.
- 强调膀成像报告和数据系统 (VI-RADS) 在标准化肌肉侵袭膀MRI解释中的作用.
- 为了比较基于MRI的分期的诊断性能与传统的TURBT方法.
主要方法:
- 使用多参数MRI,包括T2加权,扩散加权 (DW) 和动态对比增强 (DCE) 序列.
- 应用了5点的VI-RADS分类系统来评估破坏者肌肉入侵的可能性.
- 专注于特定的成像特征,如茎的存在,内部层的加厚,以及肌肉层中信号强度的中断.
主要成果:
- 多参数MRI,特别是扩散加权成像,可以克服TURBT在膀癌分期的局限性.
- VI-RADS提供了一种标准化的方法来解释膀MRI的肌肉入侵.
- 特定的MRI成像发现可以预测肌肉入侵的可能性,有助于区分MIBC与非MIBC.
结论:
- 使用VI-RADS的多参数MRI是准确的膀癌分期的宝贵工具,特别是在区分MIBC时.
- 这种成像模式可能会降低与TURBT相关的残留疾病,复发和低阶段的风险.
- 通过VI-RADS进行标准化MRI解释,提高了膀癌患者的诊断信心和临床决策.
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