Chorea, Benign Hereditary, also known as benign hereditary chorea, is related to choreoathetosis and congenital hypothyroidism with or without pulmonary dysfunction and nkx2-1-related disorders. An important gene associated with Chorea, Benign Hereditary is NKX2-1 (NK2 Homeobox 1). Affiliated tissues include lung and thyroid, and related phenotypes are gait disturbance and abnormality of movement