Nasal Dorsum Anatomy of Major Different Ethnicities-Surgical Implications: A Multicenter Radiologic Study.

Background: The heterogeneity of nasal features across different racial and ethnic groups is evident. This large-scale multicenter study was performed to evaluate the dorsal keystone area and its relation to superficial nasal anatomy through computed tomography (CT) scans.

Methods: Six populations were included: South Caucasian, Middle Eastern, Black South African, Eastern Asian, Mestizo, and Eastern European.