对MR定量参数的组图分析:它们与前列腺癌的预后因素相关吗?
Yanling Chen1, Tiebao Meng2, Wenxin Cao1
1Department of Radiology, The First Affiliated Hospital, Sun Yat-sen University, No. 58 Zhongshan 2nd Road, Guangzhou, 510080, Guangdong, People's Republic of China.
Abdominal radiology (New York)
|March 28, 2024
概括
来自合成MRI和ADC图的定量MRI参数与前列腺癌预后因素相关. 这些发现表明,有可能预测癌症的攻击性和非侵入性分期.
科学领域:
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
- 医疗成像医学成像
背景情况:
- 前列腺癌 (PCa) 预后对于治疗决策至关重要.
- 准确的PCa分期和分级对于患者管理至关重要.
- 多参数MRI (mpMRI) 提供了对瘤特征的定量见解.
研究的目的:
- 研究前列腺癌 (PCa) 的定量MRI参数和预后因素之间的相关性.
- 为了评估合成MRI (SyMRI) 和明显扩散系数 (ADC) 基因图表指标对PCa预后的预测潜力.
主要方法:
- 186名PCa患者接受了手术前的mpMRI,包括SyMRI.
- 从SyMRI (T1,T2,PD) 和ADC地图中提取了基底图表指标.
- 统计分析 (曼-惠特尼U,t测试,ROC,斯皮尔曼相关性) 评估了与预后因素 (ISUP等级,T阶段等) 的关联. ) 的情况.
主要成果:
- 在组图参数和ISUP等级/病理T阶段之间发现了显著的相关性.
- ADC_minimum与ISUP等级的相关性最强 (r = -0.481),ADC_Median与T阶段的相关性最强 (r = -0.285).
- ADC_10百分位数在确定临床显著的PCa (AUC 0.833) 中表现出很高的性能. 观察到ADC,T1,T2和PD参数在前列腺外延伸,围神经侵入,精液囊泡侵入和积极的手术边缘方面存在显著差异.
结论:
- 来自SyMRI和ADC地图的定量组图参数显示了与PCa预后因素的显著相关性.
- 这些参数具有非侵入性预测PCa攻击性的潜力,并有助于分期.
- 进一步验证可能会在常规PCa评估中确定这些定量MRI指标.
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