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    The Relationship Between the Pneumatization Patterns of the Frontal Sinus, Crista Galli and Nasal Septum: A Tomography Study
    (Turkish Neurosurgical Soc, 2020) Acar, Gulay; Cicekcibasi, Aynur Emine; Koplay, Mustafa; Kelesoglu, Kazim Serhan
    AIM: To provide detailed information about anterior skull base anatomy. MATERIAL and METHODS: Interms of gender and laterality, the drainage pathways and anatomical variations of the frontal sinus, crista galli and nasal septum in 402 patients were evaluated via computed tomography scans. RESULTS: The pneumatization patterns of the frontal sinus were as follows: absent, 3.7%; unilateral, 8%; bilateral, 75.1% and triple, 13.2%. The pneumatized crista galli was identified in 120 (29.8%) patients, and its drainage pathway was observed in 54.1% of patients. The sinus septi nasi was identified in 92 (22.8%) and its drainage pathway was observed in 16.3%. The prevalences of the position types of crista galli regarding the cribriform plate were as follows; type 1,18.3%; type II,64.9%; type III, 16.8%. CONCLUSION: Despite meticulous knowledge of anatomy, preoperative radiologic evaluation creates the base for successful treatment of anterior skull base pathologies with safer and effective surgery.