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Association of Fluorodeoxyglucose Positron Emission Tomography Radiomics Features with Clinicopathological Factors and Prognosis in Lung Squamous Cell Cancer

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Abstract

Aim

To evaluate the role of fluorine-18 fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) radiomics features (RFs) for predicting clinicopathological factors (CPFs) and prognosis in patients with resected lung squamous cell cancer (LSCC).

Material and Methods

Patients with early-stage (stage I–III) LSCC who underwent 18F-FDG PET/CT before surgical resection between August 2012 and February 2020 were analyzed. Patients who received neoadjuvant chemotherapy or radiotherapy were excluded from the study. The maximum standard uptake value (SUVmax) and RFs were extracted from PET images for primary tumors. The diagnostic performances of PET parameters in groups of tumor differentiation, stage, and mediastinal lymph node metastasis (MLNM) status were evaluated. The study endpoints were overall survival (OS) and progression-free survival (PFS). Univariate and multivariate analyses were performed with RFs, SUVmax, and CPFs to find independent predictors of PFS and OS.

Results

A total of 77 patients (5 female, 72 male) were included in the study. SUVmax and GLCM entropy were independently associated with tumor differentiation. The only parameter with significant diagnostic performance for MLNM was GLZLM-SLZGE. Tumor diameter and NGLDM busyness were independently associated with the stage. MLNM and tumor differentiation were found to be independent predictors of PFS. NGLDM contrast and MLNM were independently associated with OS.

Conclusion

Using radiomic features in addition to CPFs to predict disease recurrence and shorter overall survival can guide precision medicine in patients with LSCC.

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Authors and Affiliations

Authors

Contributions

The study was designed by Mustafa Erol. Material preparation and data collection were performed by Mustafa Erol, Hasan Önner, and İlknur Küçükosmanoğlu. The data analysis was performed by Mustafa Erol and Hasan Önner. The first draft of the manuscript was written by Mustafa Erol and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Hasan Önner.

Ethics declarations

Ethical Approval and Consent to Participate

The study was approved by the institutional review board of KTO Karatay University (2020/11), and the requirement for written consent was waived by the institutional review board. All procedures performed in studies involving human participants were in accordance with the Helsinki Declaration as revised in 2013 and its later amendments.

Consent for Publication

Not applicable.

Conflict of Interest

Mustafa Erol, Hasan Önner, and İlknur Küçükosmanoğlu declare no conflict of interest.

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Erol, M., Önner, H. & Küçükosmanoğlu, İ. Association of Fluorodeoxyglucose Positron Emission Tomography Radiomics Features with Clinicopathological Factors and Prognosis in Lung Squamous Cell Cancer. Nucl Med Mol Imaging 56, 306–312 (2022). https://doi.org/10.1007/s13139-022-00774-2

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  • DOI: https://doi.org/10.1007/s13139-022-00774-2

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