Pterional and Unifrontal Approach for the Microsurgical Resection of Olfactory Groove Meningiomas: Experience with a Series of 61 Consecutive Patients.

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Pterional and Unifrontal Approach for the Microsurgical Resection of Olfactory Groove Meningiomas: Experience with a Series of 61 Consecutive Patients.

Turk Neurosurg. 2016 May 25;

Authors: Güdük M, Yener U, Sun Hİ, Hacihanefioğlu M, Özduman K, Pamir MN

Abstract
AIM: Olfactory groove meningiomas make 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, and include from aggressive skull base approaches to standard or minimally invasive craniotomies and endoscopic approaches. We retrospectively reviewed our series of olfactory groove meningiomas which 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 is reviewed and the clinical data, radiological findings, surgical treatment and clinical outcomes of the patients are retrospectively analyzed.
RESULTS: Sixty-three craniotomies were performed in total. Pterional and unifrontal approach 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, 2 of these patients underwent reoperation. Three of the 4 patients whom 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.

PMID: 27509463 [PubMed - as supplied by publisher]

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