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18F-FDG PET/CT metabolic parameters and HER2 expression in colorectal cancer.
Neoplasma ( IF 2.0 ) Pub Date : 2021-05-17 , DOI: 10.4149/neo_2021_200803n807
Ziyi Yang 1, 2, 3, 4 , Shuai Liu 1, 2, 3, 4 , Yuyun Sun 1, 2, 3, 4 , Junyan Xu 1, 2, 3, 4 , Jinjin Jiang 1, 2, 3, 4 , Xiaoxi Ma 2, 5 , Yingjian Zhang 1, 2, 3, 4 , Shaoli Song 1, 2, 3, 4
Affiliation  

The relationship between 18F-FDG uptake and HER2 expression in colorectal cancer has not been investigated yet. This study aimed to investigate the predictive efficiency of preoperative 18F-FDG PET/CT for HER2 expression and prognosis in colorectal cancer. We retrospectively analyzed 131 colorectal cancer patients who underwent 18F-FDG PET/CT scans in our center before surgery. HER2 positivity was defined as a score of 2+ or 3+, and HER2 negativity was defined as a score of 0 or 1+ in immunohistochemistry of HER2 expression. The relationships between 18F-FDG PET/CT metabolic parameters and HER2 expression and the prognosis of colorectal patients were systematically studied. From 131 colorectal cancer patients, there were 27 (20.6%) HER2 positive patients. SUVmax of the primary tumor (mean±SD) in the HER2-positive and the HER2-negative group was 18.238±8.912 and 14.455±6.531, respectively. SUVmax in the HER2-positive group was higher than in the negative group (p=0.034). When the cutoff was based on 5 cm, tumor size demonstrated significant positive correlations with SUVmax (p=0.012) and HER2 expression (p=0.014). Multivariate analysis showed that both SUVmax and tumor size had a significant correlation with HER2 expression (p=0.049 vs. p=0.043, respectively). There was no statistical difference in PFS between the HER2-positive and the HER2-negative group (p=0.28). 18F-FDG metabolic parameters had a significant correlation with HER2 expression in colorectal cancer. SUVmax combined with primary tumor size were better for predicting the HER2 status of colorectal cancer.

中文翻译:

结直肠癌中的 18F-FDG PET/CT 代谢参数和 HER2 表达。

尚未研究结直肠癌中 18F-FDG 摄取与 HER2 表达之间的关系。本研究旨在探讨术前 18F-FDG PET/CT 对结直肠癌 HER2 表达和预后的预测效率。我们回顾性分析了 131 名术前在我们中心接受 18F-FDG PET/CT 扫描的结直肠癌患者。HER2 阳性定义为 2+ 或 3+ 的评分,HER2 阴性定义为 HER2 表达的免疫组织化学评分为 0 或 1+。系统研究了18F-FDG PET/CT代谢参数与HER2表达与结直肠患者预后的关系。从 131 名结直肠癌患者中,有 27 名 (20.6%) HER2 阳性患者。HER2阳性和HER2阴性组原发肿瘤的SUVmax(平均值±SD)为18。分别为 238±8.912 和 14.455±6.531。HER2 阳性组的 SUVmax 高于阴性组 (p=0.034)。当截断值基于 5 cm 时,肿瘤大小与 SUVmax (p=0.012) 和 HER2 表达 (p=0.014) 呈显着正相关。多变量分析表明,SUVmax 和肿瘤大小均与 HER2 表达显着相关(分别为 p=0.049 与 p=0.043)。HER2 阳性组和 HER2 阴性组之间的 PFS 没有统计学差异(p=0.28)。18F-FDG代谢参数与结直肠癌中HER2表达显着相关。SUVmax 结合原发肿瘤大小更能预测结直肠癌的 HER2 状态。当截断值基于 5 cm 时,肿瘤大小与 SUVmax (p=0.012) 和 HER2 表达 (p=0.014) 呈显着正相关。多变量分析表明,SUVmax 和肿瘤大小均与 HER2 表达显着相关(分别为 p=0.049 与 p=0.043)。HER2 阳性组和 HER2 阴性组之间的 PFS 没有统计学差异(p=0.28)。18F-FDG代谢参数与结直肠癌中HER2表达显着相关。SUVmax 结合原发肿瘤大小更能预测结直肠癌的 HER2 状态。当截断值基于 5 cm 时,肿瘤大小与 SUVmax (p=0.012) 和 HER2 表达 (p=0.014) 呈显着正相关。多变量分析表明,SUVmax 和肿瘤大小均与 HER2 表达显着相关(分别为 p=0.049 与 p=0.043)。HER2 阳性组和 HER2 阴性组之间的 PFS 没有统计学差异(p=0.28)。18F-FDG代谢参数与结直肠癌中HER2表达显着相关。SUVmax 结合原发肿瘤大小更能预测结直肠癌的 HER2 状态。多变量分析表明,SUVmax 和肿瘤大小均与 HER2 表达显着相关(分别为 p=0.049 与 p=0.043)。HER2 阳性组和 HER2 阴性组之间的 PFS 没有统计学差异(p=0.28)。18F-FDG代谢参数与结直肠癌中HER2表达显着相关。SUVmax 结合原发肿瘤大小更能预测结直肠癌的 HER2 状态。多变量分析表明,SUVmax 和肿瘤大小均与 HER2 表达显着相关(分别为 p=0.049 与 p=0.043)。HER2 阳性组和 HER2 阴性组之间的 PFS 没有统计学差异(p=0.28)。18F-FDG代谢参数与结直肠癌中HER2表达显着相关。SUVmax 结合原发肿瘤大小更能预测结直肠癌的 HER2 状态。
更新日期:2021-05-20
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