Prader-Willi and Klinefelter syndrome: a coincidence or not?

Abstract:

:Prader-Willi syndrome is a complex multisystem disorder characterized by neonatal hypotonia, developmental delay, short stature, obesity, behaviour problems, hypothalamic hypogonadism and characteristic appearance. A number of sex chromosome abnormalities have been reported in children with Prader-Willi syndrome. We report on an infant with a 47, XXY karyotype and Prader-Willi syndrome diagnosed at 2 months of age. He is possibly the youngest to be reported with both Prader-Willi syndrome and Klinefelter syndrome. We have shown that the extra X chromosome causing Klinefelter syndrome is paternal in origin and Prader-Willi syndrome is due to maternal heterodisomy indicating that these two events occurred coincidentally.

journal_name

Clin Dysmorphol

journal_title

Clinical dysmorphology

authors

Vasudevan PC,Quarrell OW

doi

10.1097/MCD.0b013e32801472cf

subject

Has Abstract

pub_date

2007-04-01 00:00:00

pages

127-9

issue

2

eissn

0962-8827

issn

1473-5717

pii

00019605-200704000-00014

journal_volume

16

pub_type

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