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Arkh Patol. 2013 May-Jun;75(3):34-9.

[Airway granular cell tumor].

[Article in Russian]


The paper describes the clinical, morphological, and immunohistochemical characteristics of 13 granular cell tumors of the upper airway. These tumors are shown to have virtually the same histological and immunohistochemical features as granular cell tumors at another site. The histogenesis of these tumors is discussed. There are currently a number of more or less solid grounds for considering them as neurogenic tumors to be close to schwannomas. At the same time one cannot ignore the fact that there is morphological and immunohistochemical evidence for that the granular cell tumors have rather cytotypical than histotypical properties, which cannot implicitly assign them to nerve tissue tumors. Most likely, the granular cell tumors belong to a histogenetically heterogeneous mixed group, in this connection their place in the classification of tumors needs further investigation, by applying the criteria developed by Russian histologists and oncomorphologists.

[PubMed - indexed for MEDLINE]
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