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Author: search.filters.author.Sun, Halil IbrahimSubject: search.filters.subject.Meningioma

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    Pterional and Unifrontal Approaches for the Microsurgical Resection of Olfactory Groove Meningiomas: Experience with 61 Consecutive Patients
    (TURKISH NEUROSURGICAL SOC, 2017-01-01) Guduk, Mustafa; Yener, Ulas; Sun, Halil Ibrahim; Hacihanefioglu, Mehmet; Ozduman, Koray; Pamir, M. Necmettin
    AIM: Olfactory groove meningiomas make up 4 to 13\% of meningiomas. The first line treatment of meningiomas is surgery, but the extent and types of approaches advised for olfactory groove meningiomas are diverse, from aggressive skull base approaches to standard or minimally invasive craniotomies and endoscopic approaches. We retrospectively reviewed our series of olfactory groove meningiomas that were operated microsurgically by standard pterional or unifrontal approaches. MATERIAL and METHODS: Our series of 61 olfactory groove meningioma patients operated through pterional or unifrontal approaches between March 1987 and September 2015 was reviewed and the clinical data, radiological findings, surgical treatment and clinical outcomes of the patients were retrospectively analyzed. RESULTS: Sixty-three craniotomies were performed in total. Pterional and unifrontal approaches were used in 38 (60.3\%) and 25 (39.7\%) surgical procedures, respectively. Overall, gross total tumor resection was achieved in 59 (93.7\%) cases. Complications were seen in 8 cases, and 2 of these patients underwent reoperation. Three of the 4 patients where only subtotal resection could be achieved underwent gamma knife radiosurgery. CONCLUSION: Pterional and unifrontal approaches, which are familiar and standard for neurosurgeons, can accomplish high rates of total resection with acceptable complication and recurrence rates for the treatment of olfactory groove meningiomas.