A woman with multiple congenital anomalies, mental retardation and mosaicism for an unusual translocation chromosome t(6;19).

Abnormalities, Multiple/genetics Adult Chromatids Chromosome Aberrations Chromosomes, Human, 19-20 Chromosomes, Human, 6-12 and X Chronic Disease Cleft Lip/genetics Cleft Palate/genetics Electroencephalography Epilepsy, Tonic-Clonic/genetics Female Fibroblasts/cytology Humans Intellectual Disability/genetics Karyotyping Lymphocytes/cytology Microscopy, Fluorescence Mosaicism Otitis Media/genetics Phenotype