High dose rate treatment of a maxillary sarcomatoid carcinoma: a case report.

A 37-year old Native American woman presented with a rare sarcomatoid carcinoma of the left maxilla. She underwent extensive resection, but developed an orbital cavity recurrence. This was treated with external beam radiation therapy. The boost posed dosimetric difficulties due to the anatomic peculiarities of the treatment area. Extensive treatment planning for a high dose rate Iridium 192 source helped overcome these problems. Control of the tumor was achieved in the site of recurrence.