Читать книгу Anterior Skull Base Tumors - Группа авторов - Страница 33

There is a spectrum of primary adenocarcinomas originates from either the respiratory epithelium or the underlying seromucinous glands of the sinonasal region (Table 3) [37, 38]. Tumours of respiratory epithelial derivation are frequently located in the nasal cavity and the ethmoid sinus, while those arising from the subepithelial glands frequently affect the nasal cavity and maxillary sinus [39–43]. Grossly, tumours are ill-defined, infiltrative, light tan, and soft [43].