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jayanta
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OBSTETRICS-DOWN SYNDROME
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09.29.06 (2 years ago)
#1
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NOT A MARKER OF DOWN"S SYNDROME IN 2nd TRMESTER:
1.SINGLE UMBILICAL ARTERY.
2.CHOROID PLEXUS CYST.
3.DIAGPHRAMATIC HERNIA.
4.DUODENAL ATRESIA.
ANSWER GIVEN IS [2].
I HAVE NO IDEA ,FRIENDS.
PLEASE HELP.
REGARDS.
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niyati2002
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09.30.06 (2 years ago)
#2
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actually choroid plexus cyst is a common ass. wth trisomy 18 , not wth trisomy 21...
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tini
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09.30.06 (2 years ago)
#3
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hey.. i got this from a paper published by the ACOG:
The likelihood of trisomy 18 was 13.8 times greater than the a priori risk in fetuses with isolated choroid plexus cysts diagnosed in the second trimester. However, the likelihood of trisomy 21 was not significantly greater than the a priori risk with isolated choroid plexus cysts.
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sarfaraz
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10.04.06 (2 years ago)
#4
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i think single umbilical artery
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jayanta
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10.05.06 (2 years ago)
#5
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THANKX NIYATI ,AGREED.
REGARDS.
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jayanta
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10.05.06 (2 years ago)
#6
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HI TINI,THANKX.
WHERE FROM YOU ARE?
I HAVE NOT MET YOU EARLIER.
REGARDS.
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Anooos
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11.25.06 (1 year ago)
#7
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Pls jayanta, are you sure the answer is ( 2 )??
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jayanta
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11.25.06 (1 year ago)
#8
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ABSOLUTELY,MY DEAR FRIEND.
I AM 100% SURE.
HAVE YOU ANY OTHER IDEA?
IF I AM WRONG,PLEASE CORRECT ME.
THANKX FOR POSTING.
REGARDS.
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Anooos
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11.25.06 (1 year ago)
#9
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All of them are markers...
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jayanta
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11.26.06 (1 year ago)
#10
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DEAR ANOOS,
HERE IS MY EXPLANATION.
IN MORE THAN 90 PER CENT OF CASES CHOROID PLEXUS CYST IS ALWAYS ASSOCIATED WITH TRISOMY 18[YOU AN FIND IT IN ANY STANDARD TEXTBOOK] AND FOUND IN VERY SMALL PROPORTION IN DOWN"S SYNDROME[TRISOMY 21].
THATS WHY CHOROID PLEXUS CYST DOES NOT COME AS A MARKER OF TRISOMY 21, IT IS THE CHARACTERISTIC FEATURE OF TRISOMY 18.
HOPE I CAN MAKE IT CLEAR TO YOU.
THANKX A LOT BOSS FOR MY BRAINSTORMING.
REGARDS.
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