Low nasal bridge
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
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Jones KL, Jones MC, Campo MD. Osteochondrodysplasias. In: Jones KL, Jones MC, Del Campo MD, eds. Smith's Recognizable Patterns of Human Malformation. 7th ed. Philadelphia, PA: Elsevier Saunders; 2013:chap K.
Madan-Khetarpal S, Arnold G. Genetic disorders and dyspmorphic conditions. In: Zitelli, BJ, McIntire SC, Norwalk AJ, eds. Zitelli and Davis' Atlas of Pediatric Diagnosis. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 1.
Slavotinek A. Dysmorphology. In: Kliegman RM, Stanton BF, St. Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2016:chap 108.
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.