Hepatocellular carcinoma tumour volume doubling time: a systematic review and meta-analysis.

Hepatocellular carcinoma tumour volume doubling time: a systematic review and meta-analysis.
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DOI:
10.1136/gutjnl-2020-321040
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发表时间:
2021-03
期刊:
Gut
影响因子:
24.5
通讯作者:
Singal AG
Singal AG
中科院分区:
医学1区
文献类型:
--
作者:
Nathani P;Gopal P;Rich N;Yopp A;Yokoo T;John B;Marrero J;Parikh N;Singal AG

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肿瘤生长模式对于监测间隔、预后和治疗决策具有重要意义,但对于肝细胞癌 (HCC) 尚未得到很好的描述。我们研究的目的是描述 HCC 倍增时间的特征,并确定惰性和快速生长模式的相关性。我们对 Medline 和 EMBASE 数据库从成立到 2019 年 12 月以及从 2010 年到 2018 年的全国会议摘要进行了系统的文献综述。我们确定了报告 HCC 肿瘤生长或肿瘤体积倍增时间 (TVDT) 的研究,无需干预治疗,并提取数据来计算 TVDT 和生长模式的相关性(快速定义为 TVDT <3 个月,惰性定义为 TVDT >9 个月)。使用随机效应模型计算汇总 TVDT。我们确定了 20 项研究,包括 1334 名患者的 1374 个 HCC 病变。合并的 TVDT 为 4.6 个月(95% CI 3.9 – 5.3 个月 I2=94%),其中 35% 属于快速生长,27.4% 属于中等生长,37.6% 属于惰性生长。在亚组分析中,亚洲的研究报告的 TVDT 比其他地方的研究更短(4.1 个月与 5.8 个月)。肿瘤快速生长最一致的相关因素包括乙型肝炎病因、较小的肿瘤尺寸(连续)、AFP 倍增时间和肿瘤分化差。研究受到样本量小、测量偏差和选择偏差的限制。 HCC肿瘤体积倍增时间约为4-5个月;然而,肿瘤生长模式存在异质性,包括亚洲乙型肝炎占主导地位的人群中更具侵袭性的模式。识别肿瘤生长模式的相关性对于更好地个体化 HCC 预后和治疗决策非常重要。
Tumor growth patterns have important implications for surveillance intervals, prognostication, and treatment decisions but have not been well described for hepatocellular carcinoma (HCC). The aim of our study was to characterize HCC doubling time and identify correlates for indolent and rapid growth patterns. We performed a systematic literature review of Medline and EMBASE databases from inception to December 2019 and national meeting abstracts from 2010 to 2018. We identified studies reporting HCC tumor growth or tumor volume doubling time (TVDT), without intervening treatment, and abstracted data to calculate TVDT and correlates of growth patterns (rapid defined as TVDT <3 months and indolent as TVDT >9 months). Pooled TVDT was calculated using a random effects model. We identified 20 studies, including 1374 HCC lesions in 1334 patients. The pooled TVDT was 4.6 months (95%CI 3.9 – 5.3 months I2=94%), with 35% classified as rapid, 27.4% intermediate, and 37.6% indolent growth. In subgroup analysis, studies from Asia reported shorter TVDT than studies elsewhere (4.1 vs. 5.8 months). The most consistent correlates of rapid tumor growth included hepatitis B etiology, smaller tumor size (continuous), AFP doubling time, and poor tumor differentiation. Studies were limited by small sample sizes, measurement bias, and selection bias. Tumor volume doubling time of HCC is approximately 4–5 months; however, there is heterogeneity in tumor growth patterns, including more aggressive patterns in Asian hepatitis B-predominant populations. Identifying correlates of tumor growth patterns is important to better individualize HCC prognostication and treatment decisions.
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