Summary
Samenvatting RT bekken en hersenen
- Course
- Institution
In dit bestand staan de belangrijkste aspecten van een bestraling van de hersenen/bekken
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Bestraling bekkengebiedKritieke organen bekkengebied:
o Blaas
o Rectum
o Heupkoppen
o Dunne darm
o Vesica ovarium (bij jonge vrouwen)
o Prostaat (bij jonge mannen)
Blaas bestralen = lege blaas, want je hebt dan een kleiner gebied dat je wilt bestralen
Prostaat bestralen = volle blaas, want de blaas drukt dan de overige OAR’S weg
Bijwerkingen bestralen bekkengebied
o Darmklachten
o Plasklachten
o Vermoeidheid
Botten waarop je kan matchen in het bekkengebied
o Os sacrum
o Os pubis
o Acetabulum
wat zijn de oplossingen voor de systematische fouten bij de prostaat
o Gebruik van meerdere modaliteiten
o Gebruik van goudmarkers
o Inteken protocollen
o Scholing en trainingen
Random fouten bij de prostaat
o Set-up error op het toestel
o Organ motion
Online positieverificatie je hebt veel kans op random fouten door de organ motion
⁃ Dagelijks maken van beelden
⁃ gelijk matchen nog voor de bestraling
⁃ Correcte van alle richtingen door tafel te verschuiven op afstand
Zowel random als systematische fouten
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