Septal Deviation and Perforation By Marvin P Fried, MD, Montefiore Medical Center, The University Hospital of Albert Einstein College of Medicine Reviewed / Revised Dec 2021 | Modified Sep 2022 View Patient Education Topic Resources Septal Deviation (CT Scan) Deviations of the nasal septum due to developmental abnormalities or trauma are common but often are asymptomatic and require no treatment.