Broad nasal bridge, or widening of the base of the nose, is a relative term. It can be a normal facial feature, but it can also be associated with certain congenital disorders such as basal cell nevus syndrome, or trisomy 8, a chromosome defect.
Review Date 8/7/2019
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.