Angiosarcoma of the larynx. Case report.

Angiosarcoma of the larynx is an uncommon malignant tumor of mesenchymal origin. A case of angiosarcoma of the epiglottis was followed for about 6 years. Diagnostic and clinicopathologic findings outline the importance of a correct differential diagnosis from other vascular malignant tumors (malignant hemangiopericytoma and Kaposi's sarcoma). A critical review of the literature is included.