3.3 Inndeling av det kontralaterale bryst - Ous-research.no

Innhold
Forkortelser og ordforklaringer...................................................................... 1
1. Innledning..................................................................................................... 2
2. Teori.............................................................................................................. 4
2.1 Ioniserende stråling .......................................................................................................4
2.1.1 Dose........................................................................................................................6
2.1.2 Spredt stråling .........................................................................................................6
2.2 Virkemåter for ioniserende stråling ...............................................................................7
2.3 Cellens reparasjonsevne og fraksjonering ......................................................................8
2.4 Stråleterapiutstyr ...........................................................................................................9
2.4.1 Lineærakseleratoren ................................................................................................9
2.4.2 Computer Tomografi, CT skanner .........................................................................11
2.4.3 Doseplansystem ....................................................................................................12
2.4.4 Terapisimulatoren .................................................................................................14
2.4.5 Antropomorfe fantomer.........................................................................................14
2.4.6 Thermoluminescensdosimetri (TLD).....................................................................15
3. Material og metode..................................................................................... 17
3.1 5-felts mamma stråleterapiopplegg ..............................................................................17
3.2 Simulator og terapimaskiner........................................................................................20
3.3 Inndeling av det kontralaterale bryst............................................................................21
3.4 Thermoluminescensdosimetri......................................................................................22
3.5 Dosemålinger- og beregninger på hud og fantom.........................................................24
3.5.1 Dosemålinger på PMMA-fantom...........................................................................24
3.5.2 Huddosemålinger ..................................................................................................24
i