ALGEMEEN DOSIS INDICATIES
Standaard Spiraal,Zeer snel X7 : 1-1,5 Msv Hoofdtrauma
thorax CT Volledige long Focale neurologische
Met/zonder afwijkingen screening
Contrast : meestal Als MR niet
zonder beschikbaar is
ENKEL CONTRAST BIJ :
Abces
Veneuze sinus
trombose
Circulus v Willis
tumor
HIG spiraal X1/1/5: 0,5 – 1,1 mSv (1- Evaluatie
RESOLUTIE zeer dunne snede 2m vergeleken met midden/binnenoor
temporaal CT GEEN contrast natuurlijke
HRCT achtergrondstraling
Recent : cone beam
CT : maakt nog
dunnere snedes maar
duurt langer dus
moeilijk bij kinderen
LOW DOSE spiraal, zeer snel x 1/2: 0,7 mS hydrocefalie follow up
HOOFD CT zonder contrast = 7keer lagere dosis dan craniosynostose
standaard
Beeld is dus minder
sterk maar kan je via
computer met MIP
verwerking sterk beeld
krijgen
LOW DOSE spiraal 0,06 – 0,12 mSv Chronische sinusitis
SINUS CT GEEN contrast Gecompliceerde
sinusitis
!! bij acute sinusitis is
geen beeldvorming
nodig !!
!! geen RX sinussen
meer!!
ANGIO CT Spiraal , zeer snel x 7: 7-8 mSv (vs. RX STROKE als MRI niet
THORAX contrast thorax 0,1 mSv – 10d) beschikbaar
2E master : pediatrische radiologie 2
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