• Umit Eroglu, Kushal Shah, Melih Bozkurt, Gokmen Kahilogullari, Fatih Yakar, İhsan Dogan, Onur Ozgural, Ayhan Attar, Agahan Unlu, Sükrü Caglar, Aaron A Cohen Gadol, and Hasan Caglar Ugur.
• Department of Neurosurgery, School of Medicine, Ankara University, Ibn-i Sina Hospital, Ankara, Turkey.
• World Neurosurg. 2019 Apr 1; 124: e667e674e667-e674.

ObjectiveThe supraorbital keyhole approach through an eyebrow incision has been a potentially less invasive approach as an alternative to the standard pterional craniotomy. We aimed to review procedures for anterior and middle cranial fossa lesions and identify lessons learned from addressing various pathologies through this approach.MethodsWe retrospectively reviewed 106 consecutive patients who underwent this approach. We documented patients' age, sex, pathology, clinical results, extent of tumor resection, complications, use of endoscope, and cosmetic results.ResultsOur series addressed a variety of pathologies. Male patients accounted for 55% of the cohort and mean age was 51.7 (2-79) years. Notably, 52% of patients underwent resection of extra-axial masses. Gross total resection was achieved in 74.4% of intra-axial lesions according to postoperative imaging. Two (1.9%) patients developed transient ptosis. One (0.9%) patient developed an allergic reaction to titanium. No cerebrospinal fluid fistula or rhinorrhea occurred. Three patients developed temporary diabetes insipidus after resection of parasellar lesions (2 craniopharyngiomas and 1 pituitary adenoma). In 14 patients with olfactory groove meningiomas, 6 (42.8%) suffered from absence or diminished olfaction postoperatively, and 2 (14.2%) developed postoperative anosmia. Five (38.5%) patients underwent a subsequent resection of recurrent glial tumors. Four weeks postoperatively, 95% of patients demonstrated acceptable cosmetic results. Cosmetic results for 6 (5%) patients were unavailable.ConclusionsThe supraorbital keyhole approach may be safely used for various lesions within the anterior and middle cranial fossa. The effectiveness and limitations of this approach and possible complications are discussed. This is a valuable approach for selected patients.Copyright © 2019 Elsevier Inc. All rights reserved.

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