Electron-radioautographic study of parasympathetic paragangliomas (chemodectomas) of the neck

Chemodectomas, after the surgery, were studied in 7 patients. Morphologically their malignancy is proven on the basis of pronounced cell polymorphism, atypia, invasion of tumour cells through the vessel wall into their lumen. Besides rare mitoses, proliferative (DNA synthesis) and protein synthetic...

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Bibliographic Details
Published in:	Arkhiv patologii Vol. 66; no. 3; p. 12
Main Authors:	Skuba, N D, Kolokol'chikova, E G, Zelenov, G G
Format:	Journal Article
Language:	Russian
Published:	Russia (Federation) 01-05-2004
Subjects:	Cell Proliferation DNA - biosynthesis Head and Neck Neoplasms - metabolism Head and Neck Neoplasms - pathology Head and Neck Neoplasms - ultrastructure Humans Microscopy, Electron, Transmission Neoplasm Invasiveness Paraganglioma, Extra-Adrenal - metabolism Paraganglioma, Extra-Adrenal - pathology Paraganglioma, Extra-Adrenal - ultrastructure RNA - biosynthesis
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Summary:	Chemodectomas, after the surgery, were studied in 7 patients. Morphologically their malignancy is proven on the basis of pronounced cell polymorphism, atypia, invasion of tumour cells through the vessel wall into their lumen. Besides rare mitoses, proliferative (DNA synthesis) and protein synthetic (RNA synthesis) activity in clear and dark cells was not observed in the presence of intensive biosynthetic processes in the stroma cells.
ISSN:	0004-1955