8121/3 Schneiderian carcinoma
Definitions
| Nasal cavity and Sinuses | ||
| ICD-O-3 topography code: | C30-C31 | |
| ICD10: | C30-C31 | |
A squamous cell carcinoma of the sinonasal tract histologically characterized by a plexiform or ribbon-like growth pattern, cytological atypia, and lack of keratinization.