Neuroimagerie Flashcards

1
Q

Indication radio

A

Évaluation os

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2
Q

Avantages radio vs désavantage

A

+ : accessible, peu $, pas d’anesthésie
- : SN, 2D, > 30-50% perte osseuse visible
Bon alignement nécessaire, rayon X, otite moyenne

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3
Q

CT scan indications

A

Crâne, colonne
Bulles tympaniques
Cerveau (basse résolution)
3D
Myélogramme poss
Contraste IV Poss

Trauma!! Luxation, mesures précises
Hémorragie
Otite moyenne/interne
Tumeur osseuse/osteomyelite
Hernie

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4
Q

Complication poss myélogramme

A

Big needle
Crise convulsive
Problèmes neuro

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5
Q

Faiblesse et avantages CT scan

A
  • : Méningite, tissu mous, anest si myélogramme, peu accessible, rayon X

+ : visualisation osseuse, rapide, pas d’anesthésie, plus accessible vs IRM

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6
Q

Indication IRM

A

Tissus mous
SN !!!! Sauf trauma crânien
Otite
Tumeur

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7
Q

Faiblesse IRM

A

Moins bonne vision os
Trauma craniens
Cher
Peu accessible
Anest
1-2h
Implants, pacemaker

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8
Q

Avantages IRM

A

Pas de rayons X, si n’implique pas les os = le best, établir Px

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9
Q

Qu’est ce qui nous aide à savoir le type de tumeur cerveau?

A

Intra-axial (milieu) = métastases
Extra-axial (extérieur) = méninge

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10
Q

Si douleur = origine possible?

A

Os
Méninge
Racines nerveuses
Muscles

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