定量 T1 图谱作为肾切除术后透明细胞肾细胞癌的新型预后预测指标的潜力。

IF 2.9 2区 医学 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Quantitative Imaging in Medicine and Surgery Pub Date : 2024-10-01 Epub Date: 2024-09-26 DOI:10.21037/qims-23-1829
Lianting Zhong, Ruiting Wang, Qiying Tang, Shunfa Huang, Chenchen Dai, Yuqin Ding, Jianjun Zhou
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引用次数: 0

摘要

背景:准确的术前风险分层方法对于透明细胞肾细胞癌(ccRCC)患者的个性化治疗非常重要。然而,目前仍没有准确的定量预后因素。本研究旨在探讨T1图谱在预测肾切除术后ccRCC无进展生存期(PFS)方面的有效性:方法:在中国一家三级甲等医院进行了一项回顾性队列研究。该研究回顾了2014年9月至2021年9月期间病理确诊为ccRCC的连续住院患者的临床和磁共振成像(MRI)数据。通过跟踪患者直至首次出现不良事件,对患者的PFS进行评估。包括肿瘤T1弛豫时间在内的放射学特征由两名放射科医生进行评估。采用Cox回归和视觉提名图、Kaplan-Meier生存率和log-rank检验进行生存分析:研究共纳入了 195 名病理确诊的 ccRCC 患者(平均年龄(± 标准差)为 56.0±12.0 岁;男性 133 人),这些患者均有符合条件的数据。中位随访时间为27.6个月(1-88个月),22例(11.3%)患者出现转移或复发。单变量和多变量生存分析显示,对比后 T1 松弛时间[P=0.001;危险比(HR)2.077;95% 置信区间(CI):1.350-3.196]和不完整肿瘤囊(PConclusions:T1图谱定量参数可能是预测ccRCC患者PFS的新的潜在生物标志物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Potential of quantitative T1 mapping to serve as a novel prognostic predictor of clear cell renal cell carcinoma after nephrectomy.

Background: Accurate preoperative risk stratification methods are important for clear cell renal cell carcinoma (ccRCC) patients to enable personalized treatment. However, there are still no accurate and quantitative prognostic factors. This study aimed to investigate the effectiveness of T1 mapping in predicting the progression-free survival (PFS) of ccRCC after nephrectomy.

Methods: A retrospective cohort study was performed in a China tertiary care hospital. This study reviewed the clinical and magnetic resonance imaging (MRI) data of consecutive inpatients with pathologically confirmed ccRCCs between September 2014 and September 2021. PFS was evaluated by following patients until the first adverse event. Radiological features including T1 relaxation time of tumors were assessed by 2 radiologists. Cox regression and visual nomogram, Kaplan-Meier survival, and log-rank test were utilized for survival analysis.

Results: A total of 195 patients with pathologically confirmed ccRCCs (mean age ± standard deviation, 56.0±12.0 years; 133 men) with eligible data were included in the study. The median follow-up was 27.6 months (range, 1-88 months), and 22 (11.3%) patients experienced metastasis or recurrence. Univariate and multivariate survival analysis showed the higher post-contrasted T1 relaxation time [P=0.001; hazard ratio (HR), 2.077; 95% confidence interval (CI): 1.350-3.196] and the incomplete tumor capsule (P<0.001; HR, 7.849; CI: 2.614-23.570) were independently associated with a shorter PFS of patients. Patients with ≥222.73 ms post-contrasted T1 relaxation time ccRCCs had worse PFS than the lower post-contrasted T1 relaxation time group.

Conclusions: The T1 mapping quantitative parameters may be a new potential biomarker for predicting PFS in patients with ccRCCs.

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来源期刊
Quantitative Imaging in Medicine and Surgery
Quantitative Imaging in Medicine and Surgery Medicine-Radiology, Nuclear Medicine and Imaging
CiteScore
4.20
自引率
17.90%
发文量
252
期刊介绍: Information not localized
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