Small-cell lung cancer in never-smokers: A case series

Lung Cancer : Journal of the International Association for the Study of Lung Cancer
Ana Tavares e CastroJessica Cemlyn-Jones

Abstract

Small-cell lung cancer (SCLC) is closely correlated with smoking and only sporadic cases have been reported in non-smoking patients. Environmental tobacco smoke and/or occupational risk factors have been suggested as possible causes of lung cancer in this subset of patients. However, particularly in relation to SCLC there is not enough reliable information. All patients with lung cancer in follow-up for a period of three-months at the Pulmonology Unit of Coimbra University Hospital were retrospectively assessed. From a total of 303 patients, 35 had SCLC, 4 of which were never-smokers and their clinical cases are hereby presented. A detailed questionnaire was given to all patients, which excluded second-hand smoking or occupational hazards. They were all female with a mean age of 63.0 ± 15.7 years. The most frequent complaints were cough, dyspnoea, anorexia and significant weight loss. Diagnosis was obtained by transbronchial biopsies in all cases. Two patients had locally advanced disease and the other two had extensive-disease due to distant metastases. Treatment approaches included first-line chemotherapy with platin and etoposide duplet and partial remission was achieved in half the cases. All patients died; mean survival wa...Continue Reading

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