[Opitz' trigonocephaly syndrome].

The Opitz' Trigonocephaly Syndrome, also called C-syndrome is an important autosomal recessive inherited disorder with characteristic synostosis of metopic suture, craniofacial abnormalities and severe mental retardation. Some patients show chromosomal aberrations with the possibility of prenatal diagnosis. Are reported on three children from two families with typical dysmorphic stigmata of the syndrome.