Type of disease: Rare conditions
Poland syndrome is characterized by an underdeveloped or absent chest muscle on one side of the body, absence of the breastbone portion (sternal) of the chest muscle, and webbing of the fingers of the hand on the same side. The cause of Poland syndrome is not known. This syndrome is nearly always sporadic. It tends to be right sided and is more common in boys than girls. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.