Chromosome Y polysomy: a non-mosaic 49,XYYYY case.

Abstract:

:Karyotypic abnormalities involving the Y chromosome are common. The clinical spectrum associated with Y chromosome trisomy, tetrasomy or pentasomy is imprecise, as still very few cases have been reported. All cases, however, seem to exhibit some degree of mental retardation and minor facial dysmorphisms. The case we describe is only the fifth reported case of non-mosaic Y tetrasomy. This report and follow-up of a patient, between 4 months and 26 years of age, will certainly be helpful in better characterizing this karyotypic defect.

journal_name

Clin Dysmorphol

journal_title

Clinical dysmorphology

authors

Paoloni-Giacobino A,Lespinasse J

doi

10.1097/01.mcd.0000228423.04908.0c

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

65-6

issue

1

eissn

0962-8827

issn

1473-5717

pii

00019605-200701000-00014

journal_volume

16

pub_type

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