Malignant hemangiopericytoma in the area of a previous ameloblastoma of the mandible

An exophytic soft tissue mass of the buccal mucosa

“…However, of the cases reported, one-third have recurred: the earliest at 4 months and the latest at 5 years. In a series of head and neck hemangioperi- (Sage & Salman 1968). Over the years the treatment of choice has been a wide local excision (McMaster et al 1975, Walike & Bailey 1971.…”

Haemangiopericytoma of the mandible

“…No gender preference is reported, and 82% of patients are Caucasian. HPCs originating in the facial bones are very uncommon and a search of the medical literature resulted in only 5 cases reported so far for the mandible (Sage and Salman, 1968;Grasser, 1974;Sugisaki et al, 1994;Carew et al, 1999;Güerrissi et al, 2006). Congenital tumours seem to be rather benign and appear to be sensitive to chemotherapy (Yamanishi et al, 2007).…”