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Samenvatting Minor PCM neurologie, spieren & skelet $5.90
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Samenvatting Minor PCM neurologie, spieren & skelet

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Minor PCM, Neurologie, spieren en skelet. Alle uitwerkingen van college, praktijk lessen en zelfstudietaken. Hanzehogeschool Groningen, Minor PET/CT/MRI .

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  • January 30, 2019
  • 89
  • 2018/2019
  • Summary

3  reviews

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By: Lead1999 • 4 year ago

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By: pimmichels • 4 year ago

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By: janniekkoning • 4 year ago

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NEUROLOGIE, SKELET EN SPIEREN
CT
coMOnsct1 Centraal zenuwstelsel

1. Hersenen (bloedingen, trauma, maligniteit)
Indicaties
- Bloedingen, infarcten, trauma, hydrocefalie (blanco).
- Maligniteit of abces (contrast, maar 1e keuze is MRI).
- Schedelbasis letsel (bijv. liquorlekkage).
Techniek
- 64 x 0,6 (64-slice).
- Axiaal/spiraal van Foramen Magnum tot kruin of gericht op schedelbasis.
Beoordelingscriteria
- Tekenen van verhoogde hersendruk, massawerking, bloeding?
- Densiteitsverschillen, lokalisatie, grootte en aantal van de afwijkingen
- Fracturen, botdestructie?


Axiaal
- Betere beeldkwaliteit?
- Lagere lensdosis, maar is lensdosis relevant?
Axiale modus is beter, omdat kwaliteit van afbeelding veel
beter is en minder last van artefacten.
Spiraal
- 3D-correcties mogelijk.
- Vermijden stairstep artefacten.
Spiraal modus kan je achteraf meer mee en artefacten zijn beter te
corrigeren. (stairstep →)
Wel of geen contrast bij CT hersenen?
Normaal gesproken zijn bloedvaten moeilijk te onderscheiden van het
hersenweefsel.
Vraagstelling CVA
Doorbloedings-problematiek
- Infarcten (arterieel)
- Trombose (veneus)
- Bloedingen (arterieel en veneus)
Beroerte
- 80% infarct
- 20% bloeding
Iets wits op CT bij de hersenen → vers bloed.
Bij infarct sterft deel van hersenen af → dit is niet zo goed te onderscheiden van het hersenweefsel.
Als hersendeel ischemisch is → donkere vlek door vochtophoping.

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