9522/3 Olfactory neuroblastoma
|Nasal cavity and Sinuses|
|ICD-O-3 topography code:||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. If the tumor is not resected at an early stage, the prognosis is usually poor.