A case is described of atypical vascular lesions occurring successively on the face. The differential diagnostic possibilities are discussed in connection with its peculiar clinical course and unusual histology. The presence of large endothelial cells in histologic sections supports the idea that pyogenic granuloma may be primarily of a vascular origin rather than a reactive granuloma.
PETERSON WC, FUSARO RM, GOLTZ RW. Atypical Pyogenic Granuloma: A Case of Benign Hemangioendotheliosis. Arch Dermatol. 1964;90(2):197–201. doi:10.1001/archderm.1964.01600020065016
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