Down syndrome: Difference between revisions

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'''Down syndrome''', is a common genetic abnormality.  It may also be called '''Trisomy 21'''; however, technically this may not be completely correct in all cases.
'''Down syndrome''', abbreviated '''DS''', is a common genetic abnormality.  It may also be called '''Trisomy 21'''; however, technically this may not be completely correct in all cases.


==Genetics==
==Genetics==
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Notes:
Notes:
*Brushfield spots = white/grey spots in the iris (the "colour part" of the eye).
*Brushfield spots = white/grey spots in the iris (the "colour part" of the eye).
**Image: [http://commons.wikimedia.org/wiki/File:Brushfield_eyes_magnified.jpg Brushfield spots (WC)].
<gallery>
Image:Brushfield_eyes_magnified.jpg  | Brushfield spots. (WC)
</gallery>
===Simplified===
Simplified version of mnemonic ''CHILD HAS PROBLEM'':
#[[congenital heart disease|'''C'''ongenital heart disease]].
#'''H'''ypothyroidism.
#'''I'''ncurved 5th digit (clinodactyly) / Increased gap between 1st and 2nd toe.
#[[Leukemia|'''L'''eukemia]] risk x2.
#'''D'''uodenal atresia.
#[[Hirschsprung disease|'''H'''irschsprung disease]].
#[[Alzheimer disease|'''A'''lzheimer disease]] / Alantoaxial instability.
#'''S'''hort neck.
#'''P'''almar crease / Protruding [[tongue]].
#'''R'''ound face.
#'''O'''cciput flat / Oblique eye fissure.
#'''B'''rushfield spots / Brachycephaly.
#'''L'''ow nasal bridge.
#'''E'''picanthic fold / Ears folded.
#'''M'''ental retardation.


==See also==
==See also==