Maxillofacial metastasis from breast cancer

Metastatic tumors to paranasal sinuses are exclusively rare. In this paper, we report acase of breast carcinoma metastasizing to the right maxilla. The metastasis occurred 5 years after radical mastectomy and presented as a primary sinonasalmass. The diagnosis was confirmed with histopathologic andimmunohistochemical examination however the patient died before starting any specific treatment because of tumor bleeding.