Malignant fibrous histiocytomas are uncommon in the head and neck, the sino
nasal tract being the most common location. This report describes 5 cases i
n this area: two in the nasal cavity, two in the maxillary sinus, and one i
n the frontal sinus. Four were primary cases and one was secondary to previ
ous irradiation. All patients received surgical treatment, orle of them wit
h postoperative irradiation. All five patients experienced local recurrence
s and three also experienced distant metastases. Only one of these recurren
ces was successfully salvaged and the patient is alive and free of disease
3 years after resection. A summary of knowledge about the entity is reviewe
d.