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Pectus carinatum is present when the chest protrudes over the sternum. It is often described as giving the person a bird-like appearance.
Pigeon breast; Pigeon chest
Pectus carinatum may occur alone or along with other genetic disorders or syndromes. The condition causes the sternum to protrude. There is a narrow depression along the sides of the chest. This gives the chest a bowed-out appearance similar to that of a pigeon.
People with pectus carinatum generally develop a normal heart and lungs. However, the deformity may prevent these from functioning as well as they could. There is some evidence that pectus carinatum may prevent complete emptying of air from the lungs in children. These young people may have less stamina, even if they do not recognize it.
Pectus deformities can also have an impact on a child's self image. Some children live happily with pectus carinatum. For others, the shape of the chest can damage their self-image and self-confidence. These feelings may interfere with forming connections to others.
Causes may include:
No specific home care is needed for this condition.
Call your health care provider if you notice that your child's chest seems abnormal in shape.
The provider will perform a physical exam and ask questions about the child's medical history and symptoms. Questions may include:
Tests that may be done include:
A brace may be used to treat children and young adolescents. Surgery is sometimes done. Some people have gained improved exercise ability and better lung function after surgery.
Boas SR. Skeletal diseases influencing pulmonary function. In: Kliegman RM, Stanton BF, St Geme JW III, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2016:chap 417.
Review Date: 7/10/2015
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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