PIGEON CHEST - Pectus carinatum is a rare chest wall deformity that causes the breastbone to push outward instead of being flush against the chest. It is also known as pigeon chest or keel chest. When the chest wall develops, the cartilage that connects the ribs usually grows flat along the chest. In cases of pectus carinatum, this cartilage grows abnormally, causing unequal growth in the areas where the ribs connect to the sternum. This causes the outward appearance of the chest wall. Most often, pectus carinatum develops during childhood and gets more pronounced as children go through puberty. In some cases, it may not be noticed until a child goes through their adolescent growth spurt.
The condition may also be associated with certain medical conditions including:-
- heart disease
- scoliosis,
- abnormal curvature of the spine
- kyphosis, where the back is hunched
- other musculoskeletal abnormalities
- connective tissue disorders, such as Marfan syndrome
- abnormal growth patterns
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