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The authors present a case of olfactory groove schwannomas in a 55-years old man presented with headache. Physical and neurological examination was normal. Olfactory and visual function were also preserved. Magnetic resonance(MR) imaging of brain showed a 5cm-size round well enhanced mass in the right olfactory groove. The patient underwent bifrontal craniotomy for the mass removal. Postoperatively, patient has no neurological deficit and no specific complication. Follow-up MR imaging two months later showed no residual mass. Histopathological diagnosis was schwannoma. Key words:Schwannoma;Olfactory groove.