Low nasal bridgeSaddle nose
A low nasal bridge is the flattening of the top part of the nose.
Genetic diseases or infections may cause decreased growth of the bridge of nose.
A decrease in the height of the bridge of nose is best seen from a side view of the face.
Causes may include:
- Cleidocranial dysostosis
- Congenital syphilis
- Down syndrome
- Normal variation
- Other syndromes that are present at birth (congenital)
- Williams syndrome
When to Contact a Medical Professional
Call your health care provider if you have questions about the shape of your child's nose.
What to Expect at Your Office Visit
The provider will do a physical exam. The provider may ask questions about your child's family and medical history.
Laboratory studies may include:
- Chromosome studies
- Enzyme assays (blood tests to measure specific enzyme levels)
- Metabolic studies
Farrior EH. Special rhinoplasty techniques. In: Flint PW, Francis HW, Haughey BH, et al, eds. Cummings Otolaryngology. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 32.
Madan-Khetarpal S, Arnold G. Genetic disorders and dysmorphic conditions. In: Zitelli BJ, McIntire SC, Nowalk AJ, eds. Zitelli and Davis' Atlas of Pediatric Diagnosis. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 1.
Slavotinek AM. Dysmorphology. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 128.
The face - illustration
The physical landmarks of the human face are very similar from one face to another.
Low nasal bridge - illustration
A low or absent nasal bridge can occur in association with infectious diseases or genetic diseases.
Low nasal bridge
Review Date: 1/1/2020
Reviewed 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.