title: Four new cases of Dicentric Y chromosomes.
abstract: Dicentric Y chromosomes are rare in man. Four new cases of dicentric Y chromosomes are described. The cases of the literature so far reported are reviewed. Among the cases, a wide range of variation in phenotype, external genitalia, histology, and chromosomal findings was observed. The relationship of the clinical picture and structural abnormalities of the Y chromosomes is discussed.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D010641:Phenotype; D012729:Sex Chromosome Aberrations / Q000175:diagnosis* / Q000473:pathology