Haemangiopericytoma of the floor of the mouth. A case report.

Haemangiopericytoma of the floor of the mouth with metastases to the lumbar spine in a 23-year-old black woman is described. She represents the 36th patient with oral cavity haemangiopericytoma and the 4th with a floor of mouth lesion. The aggressive behaviour of haemangiopericytoma and its resistance to all forms of recommended treatment was shown in this patient.