Bisatellited dicentric chromosome: a report on a case with karyotype 47,XY, + psu dic(22)t(22;22)(22pter to cen to 22q11::22q11 to 22pter).
A 12-year-old boy with mental retardation and congenital anomalies was found to have a supernumerary small marker chromosome. This marker chromosome was proved to be bisatellited and dicentric by G-, C-, R-banding and the silverstaining technique.
D000015:Abnormalities, Multiple / Q000235:genetics; D002648:Child; D002869:Chromosome Aberrations; D002871:Chromosome Banding; D002904:Chromosomes, Human, 21-22 and Y / Q000648:ultrastructure*; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007621:Karyotyping; D008297:Male; D014178:Translocation, Genetic