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中华肺部疾病杂志(电子版) ›› 2025, Vol. 18 ›› Issue (02) : 251 -255. doi: 10.3877/cma.j.issn.1674-6902.2025.02.009

论著

非小细胞肺癌围手术期程序性死亡蛋白配体1 表达分析
曹新超1,(), 马永峰1, 马平1, 贺丽君1, 谢荣景1   
  1. 1. 061000 沧州,沧州市人民医院胸外科
  • 收稿日期:2025-02-27 出版日期:2025-04-25
  • 通信作者: 曹新超

Analysis of programmed death ligand 1 expression in non-small cell lung cancer during perioperative period

Xinchao Cao1,(), Yongfeng Ma1, Ping Ma1, Lijun He1, Rongjing Xie1   

  1. 1. Department of Thoracic Surgery,Cangzhou People′s Hospital,Cangzhou 061000,China
  • Received:2025-02-27 Published:2025-04-25
  • Corresponding author: Xinchao Cao
引用本文:

曹新超, 马永峰, 马平, 贺丽君, 谢荣景. 非小细胞肺癌围手术期程序性死亡蛋白配体1 表达分析[J/OL]. 中华肺部疾病杂志(电子版), 2025, 18(02): 251-255.

Xinchao Cao, Yongfeng Ma, Ping Ma, Lijun He, Rongjing Xie. Analysis of programmed death ligand 1 expression in non-small cell lung cancer during perioperative period[J/OL]. Chinese Journal of Lung Diseases(Electronic Edition), 2025, 18(02): 251-255.

目的

分析非小细胞肺癌(non-smallcell lungcancer,NSCLC)患者手术治疗前后程序性死亡蛋白配体1(programmed death ligand 1,PD-L1)表达水平。

方法

选择2019 年5 月至2024 年5 月我院收治的67 例NSCLC 患者。 检测围术期复发样本PD-L1 表达水平,判读肿瘤比例评分(tumor proportion score,TPS)。 比较术后及复发PD-L1 有无变化者疾病分期、组织学类型、治疗方式、复发类型等。 绘制折线图观察NSCLC 患者PD-L1 表达水平纵向变化。

结果

67 例中位随访时间24(6,48)个月,截至末次随访,生存者29 例(43.28%),死亡者38 例(56.72%),死因为颅内高压或脑疝16 例(42.11%),病理性骨折或脊髓压迫6 例(15.79%),呼吸衰竭3 例(7.89%),局部肿瘤进展4 例(10.53%),远处转移9 例(23.68%)。 67 例中手术PD-L1 变化者21 例(31.34%),变化为PD-L1 高表达9 例(13.43%),PD-L1 低表达12 例(17.91%),手术PD-L1 无变化者46 例(68.66%)。 67 例中复发PD-L1 变化者25 例(37.31%),手术至复发时间14.6(8.5,20.6)个月,其中变化为PD-L1 高表达11 例(16.42%),PD-L1 低表达14 例(20.90%);复发PD-L1 无变化者42 例(62.69%),手术至复发时间14.0(9.5,22.4)个月。 远处复发35 例中单发脑转移23 例(65.71%),多发骨转移8 例(22.86%),合并胸膜转移4 例(11.43%)。 局部复发21 例中同侧胸膜播散14 例(66.67%),7 例(33.33%)表现为肺门/纵隔淋巴结肿大。 局部复发者PD-L1 评分类别变化23.81%较远处复发者48.57%差异有统计学意义(P<0.05)。 38 例(56.72%)至少更换一次评分类别,13 例(19.40%)更换两次评分类别,6 例(8.96%)出现3 个评分类别。

结论

接受手术切除治疗NSCLC 患者组织样本PD-L1 表达水平在全病程中呈动态变化。

Objective

To analyze the expression level of programmed death ligand 1 (PD-L1) in nonsmall cell lung cancer (NSCLC) patients before and after surgical treatment.

Methods

Sixty-seven NSCLC patients treated at our hospital from May 2019 to May 2024 were selected. PD-L1 expression levels in preoperative,intraoperative,and postoperative recurrence samples were detected,and tumor proportion scores(TPS) were interpreted. Disease stage,histological type,treatment modalities,and recurrence type were compared between patients with or without changes in PD-L1 expression postoperatively and at recurrence. A line chart was plotted to observe longitudinal changes in PD-L1 expression levels in NSCLC patients.

Results

Among the 67 patients,the median follow-up time was 24 (6,48) months. By the last follow-up,29 survivors,38 patients (56.72%) died,with causes including intracranial hypertension or brain herniation 16 cases(42.11%),pathological fractures or spinal cord compression 6 cases (15.79%),respiratory failure 3 cases(7.89%),local tumor progression 4 cases (10.53%),and distant metastasis 9 cases (23.68%). Postoperative changes in PD-L1 expression occurred in 21 patients (31.34%),including 9 cases (13.43%) with increased PD-L1 expression and 12 cases (17.91%) with decreased PD-L1 expression,while 46 patients (68.66%)showed no change. At recurrence,PD-L1 expression changed in 25 patients (37.31%),with a median time from surgery to recurrence of 14.6 (8.5,20.6) months. Among these,11 cases (16.42%) had increased PDL1 expression and 14 cases (20.90%) had decreased expression,while 42 patients (62.69%) showed no change,with a median time from surgery to recurrence of 14.0 (9.5,22.4) months. Among 35 cases of distant recurrence,23 cases (65.71%) had solitary brain metastases,8 cases (22.86%) had multiple bone metastases,and 4 cases (11.43%) had concurrent pleural metastases. Among 21 local recurrence cases,14 cases (66.67%) showed ipsilateral pleural dissemination,and 7 cases (33.33%) presented with hilar/mediastinal lymphadenopathy. The change in PD-L1 score category was significantly higher in distant recurrence cases (48.57%) compared to local recurrence cases (23.81%) (P<0.05). Thirty-eight patients (56.72%)experienced at least one change in PD-L1 score category,13 cases (19.40%) had two changes,and 6 cases(8.96%) exhibited three categories.

Conclusion

The expression level of PD-L1 in tissue samples from NSCLC patients undergoing surgical resection exhibits dynamic changes throughout the disease course.

表1 NSCLC 患者临床资料结果比较
图1 NSCLC 患者PD-L1 表达的纵向变化图
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