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SONG Yufei, WANG Chenglong, ZHANG Huiyuan, ZHANG Yan, ZHAO Wei, ZHAO Qichao, ZHANG Yanlei, LI Nan. Correlation Between PD-L1 Expression and 18F-FDG Uptake in Lung Adenocarcinoma[J]. Cancer Research on Prevention and Treatment, 2019, 46(11): 994-997. DOI: 10.3971/j.issn.1000-8578.2019.19.0500
Citation: SONG Yufei, WANG Chenglong, ZHANG Huiyuan, ZHANG Yan, ZHAO Wei, ZHAO Qichao, ZHANG Yanlei, LI Nan. Correlation Between PD-L1 Expression and 18F-FDG Uptake in Lung Adenocarcinoma[J]. Cancer Research on Prevention and Treatment, 2019, 46(11): 994-997. DOI: 10.3971/j.issn.1000-8578.2019.19.0500

Correlation Between PD-L1 Expression and 18F-FDG Uptake in Lung Adenocarcinoma

More Information
  • Corresponding author:

    LI Nan, E-mail:rainbow6283@sina.com

  • Received Date: April 16, 2019
  • Revised Date: July 14, 2019
  • Available Online: January 12, 2024
  • Objective 

    To evaluate the relation between the expression of programmed cell death protein receptor-1 (PD-L1) and 18F-deoxyglucose (18F-FDG) uptake in lung adenocarcinoma.

    Methods 

    We retrospectively analyzed the clinical data of 102 patients with pathologically-confirmed lung adenocarcinoma who underwent 18F-FDG PET/CT examinations before treatment and immunohistochemical examination after treatment to detect the expression of PD-L1. The relation between the maximum standard uptake of 18F-FDG(SUVmax) and the expression of PD-L1 was analyzed.

    Results 

    PD-L1 positive were detected in 50 patients (49%), the SUVmax was significantly higher in PD-L1 positive patients than that in the negative patients (6.59±5.03 vs. 2.89±4.65, P=0.0001). For the prediction of PD-L1 expression by SUVmax, the area under the ROC curve was 0.801, P=0.0001; when the cut off value was 1.70, the maximum value of Jordan index was 0.522.

    Conclusion 

    18F-FDG uptake is associated with PD-L1 expression in primary lung adenocarcinoma, and the patients with high SUVmax are more likely to harbor PD-L1 expression.

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