[Ring chromosome 15 in a child (author's transl)].

A report is given of the occurrence of a ring chromosome 15 in a 5.6 year-old girl. The features of this case are mental retardation, small stature, microcephaly, malformation of the kidney, congenital heart disease and congenital dislocation of the hips. The features of this syndrome are very variable. Only 4 cases have been described up to 1975.