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Published on: May 5, 2016
Pulmonary adenocarcinoma of fetal type: alternating differentiation argues in favour of a common endodermal stem cell
Abstract:
Pulmonary adenocarcinoma exhibit different cell types that ultrastructurally, appear to be related to the different epithelial cell types occurring in the terminal lung lobule. The present paper describes the light-microscopical, ultrastructural and immunohistochemical features of a newly defined type of pulmonary adenocarcinoma that resembles an early stage of lung differentiation. The alternating epithelial differentiation within this tumour speaks in favour of a common endodermal stem cell for the different types of epithelial cells within the lung, including endocrine cells. The relationship of this tumour to pulmonary blastoma is discussed.
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