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CT- and MRI-based Factors Associated with Rapid Growth in Early-Stage Hepatocellular Carcinoma.
Radiology ( IF 12.1 ) Pub Date : 2024-12-01 , DOI: 10.1148/radiol.240961
Hyeon Ji Jang,Sang Hyun Choi,Sungwoo Wee,Se Jin Choi,Jae Ho Byun,Hyung Jin Won,Yong Moon Shin,Claude B Sirlin

Background Prediction of the tumor growth rates is clinically important in patients with hepatocellular carcinoma (HCC), but previous studies have presented conflicting results and generally lacked radiologic evaluations. Purpose To evaluate the percentage of rapidly growing early-stage HCCs in each Liver Imaging Reporting and Data System (LI-RADS) category and to identify prognostic factors associated with rapid growth. Materials and Methods Retrospective study of patients with risk factors for HCC and those with surgically proven early-stage HCC who underwent two or more preoperative multiphasic CT or MRI examinations between January 2016 and December 2020. LI-RADS categories were assigned according to the baseline CT or MRI results. The tumor volume doubling time (TVDT) was calculated from the tumor volumes measured at the two examinations. The growth rate was classified as rapid (TVDT < 3 months), intermediate (TVDT = 3-9 months), or indolent (TVDT > 9 months). The percentage of rapidly growing HCCs was compared among the LI-RADS categories, and multivariable logistic regression was used to identify factors associated with rapidly growing HCC. Results In 322 patients (mean age, 61 years ± 9 [SD]; 249 men) with 345 HCCs (30 LR-3, 64 LR-4, 221 LR-5, and 30 LR-M category), the median TVDT of HCC was 131 days (IQR, 87-233) and 27.0% of HCCs showed rapid growth. The growth rates differed among the LI-RADS categories, with a higher percentage of rapidly growing HCCs observed for LR-M HCCs than for LR-3 (70.0% vs 3.3%, P < .001), LR-4 (70.0% vs 12.5%, P < .001), or LR-5 (70.0% vs 28.5%, P < .001) HCCs. An α-fetoprotein level greater than 400 ng/mL (adjusted odds ratio [OR], 2.54; 95% CI: 1.16, 5.54; P = .02), baseline tumor diameter (adjusted OR, 0.65; 95% CI: 0.48, 0.87; P = .004), and LR-M category (adjusted OR, 9.26; 95% CI: 3.70, 23.16; P < .001) were independently associated with higher odds of rapid growth. Conclusion Among early-stage HCCs, LR-M category was an independent factor for rapid growth, observed in 70% of HCCs. © RSNA, 2024 Supplemental material is available for this article.

中文翻译:


基于 CT 和 MRI 的因素与早期肝细胞癌的快速生长相关。



背景 预测肿瘤生长速率在肝细胞癌 (HCC) 患者中具有临床重要性,但以前的研究提出了相互矛盾的结果,并且通常缺乏放射学评估。目的 评估每个肝脏成像报告和数据系统 (LI-RADS) 类别中快速生长的早期 HCC 的百分比,并确定与快速生长相关的预后因素。材料和方法 回顾性研究 2016 年 1 月至 2020 年 12 月期间接受 2 次或多次术前多相 CT 或 MRI 检查的有 HCC 危险因素的患者和手术证实的早期 HCC 患者。根据基线 CT 或 MRI 结果分配 LI-RADS 类别。根据两次检查中测量的肿瘤体积计算肿瘤体积倍增时间 (TVDT)。生长速度分为快速 (TVDT < 3 个月)、中等 (TVDT = 3-9 个月) 或惰性 (TVDT > 9 个月)。比较 LI-RADS 类别之间快速生长的 HCCs 的百分比,并使用多变量 logistic 回归来确定与快速生长的 HCC 相关的因素。结果 在 322 例患者 (平均年龄 61 岁 ± 9 [SD];249 名男性) 中,有 345 例 HCC (30 例 LR-3 、 64 例 LR-4、221 例 LR-5 和 30 例 LR-M 类别),HCC 的中位 TVDT 为 131 天 (IQR,87-233),27.0% 的 HCC 表现出快速增长。LI-RADS 类别的增长率不同,LR-M HCC 观察到的快速生长 HCC 的百分比高于 LR-3 (70.0% 对 3.3%,P < .001)、LR-4 (70.0% 对 12.5%,P < .001) 或 LR-5 (70.0% 对 28.5%,P < .001) HCC。α胎蛋白水平大于 400 ng/mL(校正比值比 [OR],2.54;95% CI:1.16,5.54;P = .02),基线肿瘤直径 (校正 OR,0.65;95% CI:0.48,0.87;P = .004)和 LR-M 类别(校正 OR,9.26;95% CI:3.70,23.16;P < .001) 与较高的快速生长几率独立相关。结论 在早期 HCC 中,LR-M 类别是快速增长的独立因素,在 70% 的 HCC 中观察到。© RSNA,2024 本文提供补充材料。
更新日期:2024-12-01
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