Nasal septum deviation
| Deviated septum | |
|---|---|
| Other names | Deviated nasal septum (DNS) | 
| An MRI image showing a congenitally deviated nasal septum, bowed to the left between the eye sockets | |
| Specialty | Otorhinolaryngology | 
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.