proliferating systematized angioendotheliomatosis
pro·lif·er·at·ing sys·tem·a·tized an·gi·o·en·do·the·li·o·ma·to·sis
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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