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Revista argentina de neurocirugía
versión On-line ISSN 1850-1532
Resumen
FERREIRA, Mario et al. Meningiomas del surco olfatorio: tratamiento quirúrgico. Rev. argent. neurocir. [online]. 2007, vol.21, n.3. ISSN 1850-1532.
Objective: to present our experience in the management of olfactory groove meningiomas analysing their clinical presentation, radiological features, surgical outcomes and postoperative complications. Methods: a retrospective study was conducted by analysing the charts of the patients including surgical records, imaging studies and histopatological records. Results: a total of 304 meningiomas were operated on between 1994-2007 in our department. There were 16 patients with olfactory groove meningiomas including 9 women and 7 men. A mean age of 52,8 yr (age range 21-72 yr). The most frequent symptom was a higher function impairment ( 5 pt). Olfactory simptoms were infrequent in our series. The average maximum tumoral diameter was 5,8 cm. The approaches used were the subfrontal, bifrontal craniotomy with orbital osteotomy, pterional and frontolateral. CSF fistula was the most frequent complication. Perioperative mortality was recorded in two cases. No relation with surgery was demostrated. The mean follow-up period was 78 months. Conclusion: the olfactory groove meningiomas reaches a big size due to delay in diagnosis. The best treatment is the surgical excision with a surgical approach wich provides quick access to the tumor with the lesser morbimortality possible.
Palabras clave : Meningioma; Olfactory groove.