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Background: Olfactory groove meningioma (OGM) is one of the most common tumors located in the fronto-basal region. This study was performed to evaluate the clinical features and surgical outcome of these tumors. Material and method: The study was performed by retrospective review of the medical records of the patients of OGM operated in our department. Results: Twenty four (Male 7, female 17; age range 17-74 years; mean age 42.25 years) patients of OGM were managed in our department from 2003 to 2013. Mean duration of presentation was 24.37 months. Most common presentation was features of raised ICP (n=21) followed by mental changes (n=15). Anosmia and hyposmia was present in 9 and 10 cases respectively. Visual disturbances was seen in 16 cases. Radiological bone changes in form of hyperostosis and bone erosion was seen in 14 cases. All patients were operated by unilateral or bilateral subfrontal approach depending on the extension of tumor. Total tumor excision was achieved in 15 cases. All patients were relived in raised ICP following surgery. Post-operative complications included CSF rhinorrhea (n=4), local CSF collection (n=6) and infection (n=2). There was no mortality. Histopathology was suggestive of WHO grade I (n=20) and grade II (n=4) meningioma. Conclusions: OGM predominantly occur in females. The most common presentation is raised ICP. Surgical excision offers good outcome.
[Kumar Ashish, Guru Prasad, Kuntal K Das, Anant Mehrotra, Arun K Srivastava, Rabi N Sahu, Sushila Jaiswal, Sanjay Behari, Awadhesh Kumar Jaiswal (2015); Olfactory groove meningioma: an analysis based on 24 cases Int. J. of Adv. Res. 3 (Mar). 0] (ISSN 2320-5407). www.journalijar.com
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