CONSIDERAZIONI MORFOLOGICHE ED ISTOGENETICHE SUI TUMORI GLOMICI IN BASE AD OTTO OSSERVAZIONI PERSONALI

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Abstract
8 cases of glomic tumors (4 of epithelioid type, 4 of angiomatous type according to Masson) are described. The glomic tumor may arise in any vascular region, owing to the ubiquity of the epithelioid cells which are the originating elements. The following classification is proposed for the tumors which originate in the vessel-ruling tissues: 1) pheocromocytoma (from the adrenal chromaffin tissue); 2) paraganglioma (from carotid gland and aortic body and from jugular and coccygeal glomera); 3) glomic tumor (from the glomerular arterio-venous anastomoses); 4) pericytoma (from the pericytes). The two last forms are histologically rather similar. The intermediate forms are also frequent.