Forward protrusion of the breastbone resulting in deformity of the chest. The condition is painless and harmless.
A condition in which the sides of the chest are considerably flattened and the sternum is prominent. The sternal ends of the ribs are enlarged or beaded. Often there is a circular construction of the thorax at the level of the xiphoid cartilage. The condition is often congenital and present in mucopolysaccharidoses.