9523/3 Esthesioneuroepithelioma



Definitions

Nasal cavity and Sinuses
ICD-O-3 topography code: C30-C31
ICD10: C30-C31
           

A rare neuroectodermal tumor originating from olfactory receptor cells in the nasal cavity. Microscopically, it is characterized by neuroblastic differentiation with occasional formation of rosettes.
This tumour is now considered synonymous with the olfactory neuroblastoma 1
 
Barnes L, Eveson JW, Reichart P, Sidransky D (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Head and Neck Tumours.
3rd Edition
IARC Press: Lyon 2005



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