早期胃癌淋巴结转移的ct鉴别。

Jingtao Wei, Yinan Zhang, Zhilong Wang, Xiaojiang Wu, Ji Zhang, Zhaode Bu, Jiafu Ji
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引用次数: 1

摘要

目的:早期胃癌(EGC)患者的淋巴结状态是选择治疗方法的关键。本研究的目的是评估计算机断层扫描(CT)对胃癌患者淋巴结转移(LNM)的诊断价值。方法:回顾性分析2010年11月至2019年1月期间病理证实的EGC患者。经1:1倾向评分匹配后,保留65例LNM患者和65例非LNM患者进行比较。记录各观察点可见淋巴结的长径(LD)和短径(SD)。采用受者工作特征分析评价LNM的诊断价值。结果:在130例患者中,CT图像共发现558个淋巴结。在诊断指标中,大于3mm的淋巴结数目、LD和SD的总和具有较好的鉴别性。曲线下面积均大于0.75。对于不同区域,确定数量、LD和SD的最优截止值为:总体≥4、19.9 mm和13.5 mm;胃左动脉盆≥3、15.7 mm、8.6 mm;结论:CT对EGC中LNM的诊断有一定的价值。大于3mm的淋巴结数目、LD和SD之和是较好的指标。不同的区域淋巴结有不同的预测心电图患者LNM的最佳标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Identification of lymph node metastasis by computed tomography in early gastric cancer.

Objective: Lymph node status is critical when selecting treatment methods for patients with early gastric cancer (EGC). The aim of this study was to assess the diagnostic value of computed tomography (CT) for detection of lymph node metastasis (LNM) in patients with EGC.

Methods: We retrospectively analyzed patients who had pathologically confirmed EGC between November 2010 and January 2019. After 1:1 propensity score matching, 65 patients with LNM and 65 patients without LNM were retained for comparison. The long diameter (LD) and short diameter (SD) of all visualized lymph nodes in all stations were recorded. The diagnostic value of LNM was assessed with receiver operating characteristic analysis.

Results: Among 130 patients, we found a total of 558 lymph nodes on the CT images. Among the diagnostic indicators, the number, sum of LD and sum of SD of lymph nodes greater than 3 mm had better discrimination. The areas under the curve were all greater than 0.75. As for different regions, the optimal cutoff values of number, the sum of LD and sum of SD were determined as follows: overall, ≥4, 19.9 mm and 13.5 mm; left gastric artery basin, ≥3, 15.7 mm and 8.6 mm; right gastroepiploic artery basin, ≥2, 8.6 mm and 7.0 mm.

Conclusions: CT is valuable for diagnosing LNM in EGC patients. The number, sum of LD and sum of SD of lymph nodes greater than 3 mm are preferable indicators. Different regional lymph nodes have different optimal criteria for predicting LNM in ECG patients.

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