Key result
Epithelioid hemangioendothelioma is a borderline vascular neoplasm; among 31 followed cases, 64.5% were alive and well, 3 developed local recurrences, and 6 developed metastases.
Observational (n=41)
Epithelioid hemangioendothelioma is a unique, biologically 'borderline' vascular neoplasm that must be distinguished from metastatic carcinoma.
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Small cohort supports intermediate-risk classification; leaves open larger prospective studies to guide management.
Weiss et al. (1982) conducted an observational in Epithelioid hemangioendothelioma (n=41). Epithelioid hemangioendothelioma was evaluated on Alive and well following therapy. Epithelioid hemangioendothelioma is a borderline vascular neoplasm; among 31 followed cases, 64.5% were alive and well, 3 developed local recurrences, and 6 developed metastases.
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