- proliferating systematized a. a rare generalized cutaneous and visceral intracapillary proliferation of endothelial cells, with vascular thrombosis and obstruction. The condition has been divided into a benign reactive type and a rapidly fatal neoplastic type; however, most of the latter cases have been shown to be intravascular large-cell lymphomas.

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an·gio·en·do·the·lio·ma·to·sis (an″je-o-en″do-the″le-o-mə-toґsis) [angio- + endotheliomatosis] intravascular proliferation of tumors derived from endothelial cells; there are both benign and malignant varieties.

Medical dictionary. 2011.

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