[Primary sarcomas of the maxillofacial area. The clinical assessment of a case of angiosarcoma with a rare location].

Following a short critical review of the most recent literature, the present study reports a case of angiosarcoma of the gingiva, localized at the level of the vestibular surface of the lower incisor region. The intense positive reaction of neoplastic elements to factor VIII-correlated antigen, negative for cytokeratin and positive for vimentin, allowed the vascular nature of the neoplasia to be confirmed.