• World Neurosurg · Apr 2021

    Frontal Sinus Morphometry in Relation to Surgically Relevant Landmarks in the Middle East Population: Can We Globalize?

    • Ali Amine, Karl John Habashy, Elie Najem, Rawad Abbas, Charbel Moussalem, Shadi Bsat, Roula Hourany, and Houssein Darwish.
    • Department of Neurosurgery, American University of Beirut Medical Center, Beirut, Lebanon.
    • World Neurosurg. 2021 Apr 1; 148: e87-e93.

    BackgroundThe frontal bone is frequently approached during neurosurgical procedures. Feared complications of such surgeries include cerebrospinal fluid leak, among others, and frequently result from a breach of the frontal sinus. For this reason, the sinus should be avoided when possible. The supraorbital notch (SON) is a reliable and easily identifiable surgical landmark and its relation to the frontal sinus has been previously studied. However, the frontal sinus shows significant variability in size and shape between populations.MethodsIn the present study, we investigate the frontal sinus dimension and its relation to the SON in the Middle Eastern population.ResultsThe analysis of a set of computed tomography scans reveals a significant variation in size between genders, and we subsequently provide neurosurgeons in the region with population-targeted, gender-specific risk maps.ConclusionsWe finally conclude that a 2-cm margin rostral and lateral to the SON is safest.Copyright © 2020 Elsevier Inc. All rights reserved.

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