From: Sinonasal Undifferentiated Carcinoma (SNUC): the Alberta experience and literature review
Variable | Total Number (%) | |
---|---|---|
Patients | 20 | |
Males | 16 (80) | |
Females | 4 (20) | |
Mean age at diagnosis, years (range) | 53.9 (35–85) | |
Mean follow-up time, months | 21 | |
Stage at presentation | Stage IV | 17 (85) |
Stage III | 2 (10) | |
Stage II | 1 (5) | |
Tumor origin site | Sinonasal – not otherwise specified | 7 (35) |
Nasal cavity | 4 (20) | |
Maxillary sinus | 4 (20) | |
Ethmoid sinus | 5 (25) |