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Search: Organ site Search: Tumor / Syndrome
WHO Classification of Tumours
Olfactory neuroblastoma
Nasal cavity and Sinuses


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.