Malignant endovascular papillary angioendothelioma. Cutaneous borderline tumor. 1985

K Patterson, and R S Chandra

Malignant endovascular papillary angioendothelioma, a rare but distinctive vascular tumor of childhood, was first described in 1969. It was termed malignant because of its mitotic activity, areas of necrosis, and demonstrated ability to metastasize to regional lymph nodes. Despite these features it had a uniformly good prognosis. We report an example of this lesion in a 6-year-old boy that does not show malignant histologic features. Based on its good long-term prognosis and variable histologic features, this lesion is better classified as a borderline vascular tumor.

UI MeSH Term Description Entries
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005542 Forearm Part of the upper extremity in humans and primates extending from the ELBOW to the WRIST. Antebrachium,Antebrachiums,Forearms
D006390 Hemangioendothelioma A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or channels. Hemangioendotheliomas are relatively rare and are of intermediate malignancy (between benign hemangiomas and conventional angiosarcomas). They affect men and women about equally and rarely develop in childhood. (From Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1866) Endothelioma, Vascular,Hemangio-Endothelioma,Endotheliomas, Vascular,Hemangio Endothelioma,Hemangio-Endotheliomas,Hemangioendotheliomas,Vascular Endothelioma,Vascular Endotheliomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012878 Skin Neoplasms Tumors or cancer of the SKIN. Cancer of Skin,Skin Cancer,Cancer of the Skin,Neoplasms, Skin,Cancer, Skin,Cancers, Skin,Neoplasm, Skin,Skin Cancers,Skin Neoplasm

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