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第46卷第10期 李江鹏,唐立钧,李天女,等. F⁃FDG PET/CT代谢参数预测胃癌原发灶HER2低表达状态[J].
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2026年10月 南京医科大学学报(自然科学版),2026,46(10):1536-1544 ·1543 ·
测作用,而聚焦肿瘤高增殖区域的 TLG80%预测效能 revision,and funding support. Zhou Ziwei was responsible for
更高。该高阈值区域有效剔除了坏死及炎性浸润 methodology,data analysis,writing and revising the manuscript.
等低代谢组织,主要聚焦增殖活跃的肿瘤核心区, [参考文献]
其侵袭性更强。本研究提示高阈值代谢参数在分
[1] Han B,Zheng R,Zeng H,et al. Cancer incidence and
子分型预测中更具价值,可为后续研究中PET 定量 mortality in China,2022[J]. J Natl Cancer Cent,2024,4
参数的选择提供一定参考。 (1):47-53
CEA是胃癌常规随访检查指标,高CEA水平往 [2] 吕 伟,张淑群,靳耀锋,等. HER⁃2基因突变在恶性实
往提示肿瘤负荷更大、转移风险更高,常与患者的 体瘤中的临床研究进展[J]. 现代肿瘤医学,2021,29
不良预后相关 [27] 。本研究也发现HER2高表达组与 (23):4238-4242
低表达组远处转移比例、CEA水平差异有统计学意 Lü W,Zhang S Q,Jin Y F,et al. Progress in clinical research
of HER ⁃ 2 gene mutation in malignant solid tumors[J].
义。Park 等 [28] 研究也发现 HER2 阳性组胃癌血清
Journal of Modern Oncology,2021,29(23):4238-4242
CEA 高于 HER2 阴性组。但也有研究显示 CEA 水
[3] Miao H,Fang Y,Pan C,et al. Transforming the landscape
平与 HER2 表达无关 [29] ,究其原因可能与病例构成 of cancer treatment with seven promising novel therapies:
不同及 CEA 易受炎症、良性消化道疾病等影响有 evolution and future perspectives[J]. Medicine Plus,
关。本研究显示CEA 为HER2 低表达影响因素,但 2025,2(2):48⁃71
区分效能有限,联合 PET 代谢参数后预测效能明显 [4] Wang Y,Gong J,Wang A,et al. Disitamab vedotin(RC48)
提升。提示在临床实践与研究过程中,应充分结合 plus toripalimab for HER2 ⁃ expressing advanced gastric
影像与临床信息,两者互补才能提高预测效能。 or gastroesophageal junction and other solid tumours:a
本研究主要存在以下局限性:①本研究为单中 multicentre,open label,dose escalation and expansion
phase 1 trial[J]. EClinicalMedicine,2024,68:102415
心、回顾性研究,缺乏外部验证队列,且容易出现偏
[5] Qu F,Lu R,Wu X,et al. Efficacy and safety of RC48⁃
倚,样本量相对较小;②本研究仅勾画原发灶相关
ADC in HER2⁃positive and HER2⁃low metastatic breast
代谢参数,未分析全身病灶代谢特点。③本研究未 cancer:a multicenter,real⁃world study[J]. Front Oncol,
分析模型与预后的相关性。后续仍需设计大样本前 2024,14:1435485
瞻性研究,综合全身病灶代谢信息以及利用人工智 [6] 中国临床肿瘤学会指南工作委员会. 中国临床肿瘤学
能、影像组学等方法来进一步探讨 F⁃FDG PET/CT代 会(CSCO)胃癌诊疗指南 2025[M]. 北京:人民卫生出
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谢参数与胃癌病灶HER2低表达之间的关联及对患 版社,2025
者预后的影响。 Chinese Society of Clinical Oncology(CSCO)Guidelines
综上,本研究表明,F⁃FDG PET 相关代谢参数 Working Committee. Chinese Society of Clinical Oncology
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(CSCO)clinical guidelines for the diagnosis and treat⁃
对胃癌原发灶HER2低表达状态具有潜在的预测价
ment of gastric cancer 2025[M]. Beijing:People’s Medi⁃
值,联合临床参数预测效能更佳,为无创预判 HER2
cal Publishing House,2025
低表达提供了影像学思路。 [7] 谢 意,关鹏飞,刘 丹,等. 胃癌抗HER2靶向治疗进
利益冲突声明:
展与展望[J]. 科学通报,2026,71(7):1431-1449
作者声明无需要说明的利益冲突。
Xie Y,Guan P F,Liu D,et al. Progress and prospects in
Conflict of Interests:
antiHER2 targeted therapy for gastric cancer(in Chi⁃
The authors declare that they have no known conflict of
nese)[J]. Chin Sci Bull,2026,71(7):1431-1449
interests.
[8] Valenza C,Guidi L,Battaiotto E,et al. Targeting HER2
作者贡献声明:
heterogeneity in breast and gastrointestinal cancers[J].
李江鹏负责数据收集,初稿撰写;唐立钧负责研究方案
Trends Cancer,2024,10(2):113-123
提出,文章修改;李天女负责方法优化指导,文章修改,基金
[9] Lee H S. Spatial and temporal tumor heterogeneity in gas⁃
资助;周紫薇负责方法提出,数据分析,初稿撰写,文章修改。
tric cancer:discordance of predictive biomarkers[J]. J
Author’s Contributions: Gastric Cancer,2025,25(1):192-209
Li Jiangpeng was responsible for data collection and
[10]Ulaner G A,Lyashchenko S K,Riedl C,et al. First⁃in⁃
writing the manuscript. Tang Lijun was responsible for providing
human human epidermal growth factor receptor 2⁃targeted
the research plan and article revision. Li Tiannü was responsi⁃ 89
imaging using Zr ⁃ Pertuzumab PET/CT:dosimetry and
ble for guidance on the optimization of research methods,article clinical application in patients with breast cancer[J]. J

