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48,XXYY Syndrome

Known as: Xxyy Syndrome, Syndrome, Xxyy, 48, XXYY Syndrome 
A rare sex chromosome abnormality in which a male child has an extra X and Y chromosome.
National Institutes of Health

Papers overview

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2015
2015
The phenotype of 48, XXYY syndrome (referred to as XXYY) is associated with characteristic but variable developmental, cognitive… Expand
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Review
2014
Review
2014
Sex chromosome aneuploidies are a common group of disorders that are characterised by an abnormal number of X or Y chromosomes… Expand
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2010
2010
The 48,XXYY syndrome is a distinct clinical and genetic entity, with an incidence of 1:17,000 to 1:50,000 newborns. Patients… Expand
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Highly Cited
2008
Highly Cited
2008
XXYY syndrome occurs in approximately 1:18,000-1:40,000 males. Although the physical phenotype is similar to 47,XXY (tall stature… Expand
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1996
1996
  • Joseph W. Y. Lee
  • The Australian and New Zealand journal of…
  • 1996
  • Corpus ID: 19576567
Objective: A case of XXYY associated with schizophrenia is presented. Clinical picture: A European male with tall stature… Expand
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1995
1995
We report on an infant with severe tetralogy of Fallot, bilateral preauricular pits, and a 48,XXYY chromosomal complement. This… Expand
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1993
1993
We report a case of double male syndrome, a type of Klinefelter's syndrome with 48,XXYY chromosome, associated with… Expand
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1991
1991
In this study we report the physical and psychological findings in 4 males with 48,XXYY syndrome. They were diagnosed at the ages… Expand
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1978
1978
 
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1970
1970
A nineteen year old Caucasian man with the 48, XXYY syndrome is described. The syndrome is discussed, and it is pointed out that… Expand
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