AIM A unilateral subfrontal interhemispheric transfalcial approach for the removal of olfactory groove meningiomas (OGM) was evaluated in terms of surgical technique, complications, clinical outcomes, and recurrence rate. MATERIAL AND METHODS Twenty-four females and eighteen males with a mean age of 59 years were operated on for OGM within a 12- year (1996-2008) period. The pre- and post-oper...

Brain perfusion computed tomography (CT) scanning was performed in a mongrel dog and a golden retriever that were diagnosed with third ventricular tumor and olfactory bulb tumor, respectively, by contrast-enhanced CT. The tumors were pathologically diagnosed as ependymoma and meningioma, respectively. Perfusion CT results revealed that the ependymoma in this study had a lower blood flow, higher...

Esthesioneuroblastoma is a rare tumor localized in the superior part of the nasal cavity. Extension in the anterior cerebral fossa is sometimes observed. As we discovered in our patient, the location of the tumor above the cribriform plate was very unusual and meningioma was suspected. Features and prognosis are discussed below.