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Nestin is considered to be a cancer stem cell marker. Nestin expression in neuroendocrine tumours might be useful to predict prognosis and facilitate treatment planning. 88 patients with neuroendocrine lung tumours operated in the Department of Thoracic Surgery from 2007 to 2015 were included into the study. Immunohistochemical staining for nestin was performed. Clinicopathological and survival data were retrospectively analyzed. Nestin expression was detected in 15 (17%) specimens. Multivariate analysis showed that lymph node metastases (p = 0.0001; hazard ratio (HR) = 3.93; confidence interval (CI) 95%: 1.96-7.87), nestin expression (p = 0.034; HR = 2.30; CI 95%: 1.06-4.99) and patient's age (p = 0.024; HR = 1.04; CI 95%: 1.00-1.09) were independent negative prognostic factors. Nestin expression was significantly higher in large cell neuroendocrine carcinoma when compared with carcinoids (p = 0.001). Collected data support the thesis that nestin can be regarded as a biomarker in patients with neuroendocrine lung tumours.

Clinical significance of nestin and its association with survival in neuroendocrine lung tumours