Chicken breast

The sternal bulge is called chicken breast (pectus carinatum, chickenbreast). Chicken breast is a common thoracic deformity that is generally considered to be genetically related. Most people think it is caused by excessive growth of ribs and rib cartilage. Ribs deformed. About 6% to 22% of chest deformities, male: female about 3: 1. Clinically, chicken breasts are divided into 3 types according to their different anatomic shapes and surgical treatment methods, namely, keel chest, spherical pigeon breast, and lateral breast. Patients with moderate to severe deformity will adversely affect the physical and psychological development of the sick child and should be treated surgically.