syndrome de l'X fragile Flashcards

1
Q

première cause de de DI monosomique familiale ?

A

Sd de l’X fragile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

2 eme cause de DI génétique ?

A

Sd de l’X fragile !

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

1ere cause de DI génétique ?

A

T21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

épidémio Sd X fragile ?

A

h : 1/5000
F : 1/8000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cause du Sd X fragile ?

A

répétition d’un triplet de nucléotides CGG sur gène FMR1 !!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

prévalence prémutation Sd X fragile ?

A

H : 1/500
F : 1/250

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Phénotype du Sd X fragile ?

A
  • handicap intellectuel (DI modérée)
  • particularités morpho
  • retard langage
  • TDAH
  • épilepsie (20%)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Particularités morpho de Sd X fragile

A
  • visage allongé et étroit
  • prognathisme
  • front haut et large
  • macrocéphalie
  • oreilles décollées et grandes
  • macroorchidie post-pubertaire
How well did you know this?
1
Not at all
2
3
4
5
Perfectly