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Future Oncol ; 17(27): 3585-3594, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-34269071

RESUMO

Aims: In patients with advanced non-small-cell lung cancer, the correlation between histopathology, smoking status, driver oncogene mutations and PD-L1 overexpression were investigated. Patients and methods: A total of 202 patients were identified. Research was done in Georgia. Results: EGFR mutations were detected in 6% of the tested cases (12/187) and five out of 12 EGFR+ cases had histology consistent with squamous cell carcinoma. No statistically significant correlation was observed between PD-L1 expression, smoking status and clinicopathological characteristics. However, the correlation between smoking status and histology was statistically significant (p = 0.0264), as never-smokers had a higher incidence of adenocarcinoma histology. Conclusion: The study showed a small percentage of EGFR mutations associated with adenocarcinoma histology and revealed a solid existence of this mutation in squamous cell carcinoma histology. A higher incidence of adenocarcinoma histology was observed in never-smokers.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem , Adenocarcinoma de Pulmão/epidemiologia , Adenocarcinoma de Pulmão/genética , Adenocarcinoma de Pulmão/patologia , Antígeno B7-H1/metabolismo , Carcinoma Pulmonar de Células não Pequenas/epidemiologia , Carcinoma Pulmonar de Células não Pequenas/genética , Carcinoma Pulmonar de Células não Pequenas/patologia , Genes erbB-1/genética , Incidência , Neoplasias Pulmonares/epidemiologia , Neoplasias Pulmonares/genética , Neoplasias Pulmonares/patologia , Mutação , Oncogenes/genética , Fatores de Risco , Fumar/epidemiologia , República da Geórgia
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