Histological verification of Primary neoplasms of the nasal cavity and paranasal sinuses in the dog
Tumours of a nasal cavity and paranasal sinuses at twenty one dogs have been subjected to histologic research. Twenty tumours were malignant. One tumour was non-malignant. The non-malignant tumour was a papilloma. From twenty malignant tumours three are verified as not differentiated carcinomas. The staying tumours have been submitted by round cells{cages}, had feebly marked eosinophilic fibrils ahd both pseudorosettes and true rosettes. These tumours have been verified as aesthesioneuroepithelioma. Tumours of a connective tissue, in the given research, are not found out.