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Kaplan Qbank USMLE



Author5 Posts
  #1

Anyone have a good way to remember the difference between Trisomy 13 and Trisomy 18??

{I usually think of more midline defects in Patau}


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  #2

I could never remember the small characteristics until i saw a baby with Edwards at the hospital i was rotating in...It was ALL there! The rocker-bottom feet, the small jaw, the low-set ears, the clenched hand, and the prominent occiput!

As for Patau, i think Cleft lip/palate and polydactyly are the most important/characterstic features, so if you just know those two they will stand out when you read a Q stem.

(mental retardation, heart defects, early death...etc are non-speficic, so don't bother memorizing those)


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  #3

thx for helping me beat that to death.//Ill just add {in layman terms that small eyes and small cranium} I think is assoc. with Patau.

Yes Ill remember rockerbottom feet and clenched fist for starters. Thank you!


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  #4

Patau-
polydactyly
palate problem



  #5

Patau

polydactyly

Problem renal

Edward

extended fingers

rocker botom can be found in both..the above points helped me in ALL qs ive come across in d/dt the two...they were the only features i had looked for!!


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