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A Case for Diagnosis: Angioblastoma? Endothelioma? presented by Dr. Eugene F. Traub.
A girl aged 5 years was first seen on Nov. 3, 1955, because of a lesion on the right side of the upper lip which the mother had first noticed in May, 1955. The area measured about 2.5 by 1.5 cm. in diameter and was slightly elevated with a sharply demarcated border. The lesion was erythematous and seemed slightly succulent. It had been mistaken by several dermatologists for an angioma, indicating that the pinkish color suggested considerable vascularity. However, it was a solid tumor, and, although it changed slightly in elevation from time to time, it was essentially a fixed lesion after it reached its present size.
A biopsy from one edge of the lesion was reported by Dr. Perry Sachs as follows: "Throughout the cutis was a cellular mass composed of cells containing large round and oval
Machacek GF, Miller JL. NEW YORK DERMATOLOGICAL SOCIETY. AMA Arch Derm. 1956;74(6):694–698. doi:10.1001/archderm.1956.01550120114031