Tertiary trisomy, 47,XX,+14q--, resulting from maternal balanced translocation, 46,XX,t(14;16)(q11;q24)

A 3-year-old child with tertiary trisomy (14 (+14q--), daughter of a mother with a balanced reciprocal translocation [46,XX,t(14;16)(q11;q24) is presented. Craniostenosis and developmental retardation were the primary presenting features in this patient.