Nasal septum deviation

Deviated septum
Other namesDeviated nasal septum (DNS)
An MRI image showing a congenitally deviated nasal septum, bowed to the left between the eye sockets
SpecialtyOtorhinolaryngology

Nasal septum deviation is a physical disorder of the nose, involving a displacement of the nasal septum. Some displacement is common, affecting 80% of people, mostly without their knowledge.