Familial chromosome translocation t(3;18)(p21;p11).

Abstract
A familial translocation t(3;18)(p21;p11) was observed in a newborn male. He had multiple malformations resuting from partial trisomy 3 and partial monosomy 18. The mother, maternal uncle and maternal grandmother were balanced translocation carriers. A daughter of the maternal uncle with similar malformations probably had the same unbalanced karytope as the proband.