Outcomes and patterns of failure for sinonasal undifferentiated carcinoma (SNUC): The Mayo Clinic Experience

Sinonasal undifferentiated carcinoma (SNUC) is a rare aggressive disease arising in the nasal cavity and paranasal sinuses with poor prognosis and unclear optimal management.Forty patients were analyzed. Nasal cavity was the most common primary site. Most patients presented with T4 disease, received trimodality therapy, and were treated with intensity-modulated radiotherapy (IMRT).Median follow-up was 6.9 years. Sixteen patients (40%)...