As a result, the authors concluded that these anatomical variations are less likely to be significant risk factors in the etiopathogenesis of chronic rhinosinusitis.[ 13 14 15 ] Some anatomical variants are surgically dangerous and can predispose the neurovascular structures related to the paranasal sinuses such as optic nerve and the internal carotid artery to a fatal injury during endoscopic sinus surgery.[ 8 ] Therefore, understanding these anatomical variations is vital in planning for endoscopic sinus and endoscopic skull base surgeries.
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Relationship between Sinonasal Anatomical Variations and Symptom Severity in Patients with Chronic Rhinosinusitis.
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