Abstract

Esthesioneuroblastoma is a rare malignant tumor, account for only 1-5% of all malignant tumors of the paranasal sinuses; usually it presents with locally invasive disease, the delayed diagnosis of these tumors leads to tragic prognosis and bad results of surgery or conservative management. In this case, the diagnosis was too late in spite of followed up by medical doctors in deferent specialties; as a result it must be rules to avoid this problem like the mandatory of nasal endoscopy in all patients with nasal complaints (specially with refractory symptoms) and also radiologicinvestigations must be mandatory when epistaxis, nasal blockage, anosmia or headache does not respond to medical treatment.

Keywords: Esthesioneuroblastoma; Olfactory neuroblastoma; Epistaxis; CT; MRI