maladie de Hirschprung Flashcards

1
Q

définition

A

mégacolon congénital

Absence de cellules ganglionnaires dans les plexus (Auerbach, Meissner)

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

distribution

A

commence tjrs à l’anus

se limite le plus svnt au recto sigmoïde

parfois portion + longue, rares cas ad intestin grêle

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

maladie associée

A

trisomie 21

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

sx en néonatal

A

retard de passage du méconium

tableau d’occlusion intestinale : distension abdo, absence de selles, vomissements bilieux

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

examen physique

A

TR : rectum vide (suivi de débâcle explosive)

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

sx chez nourrisson

A

rétention de selles et gaz avec distension abdo,

alternance avec diarrhées nauséabondes

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

croissance

A

retard pondéral fréquent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

complication à rechercher

A

entérocolite et déshydratation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

diagnostic

A

TDM : zone distale rétrécie
manométrie anorectale
biopsies rectales

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

signe pathognomonique à la biopsie

A

absence de cellules ganglionnaires

hyperplasie des fibres cholinergiques ad sous muqueuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

traitement

A

réséquer zone et réanastomose (chirurgie)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

pronostic post chx

A

complications post op rares
dysmotilité
incontinence fécale temporaire

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