Radiation Therapy Real

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Radi

The

Radi

TheBy AnnabBy Annab

tion

apy

tion

apyth Colonelth Colonel



What isWhat is adiation?adiation?



Energy that i

ransmitted in t

r waves or par

s

radiated o

e form of ray

ticles



What are t

of energyradiation

What are t

of energyradiation

e sources

or externaltherapy?

e sources

or externaltherapy?



X-rays or ga

are bothelectromagne

and e

mma rays,

orms of tic radiation

ergy





X-rays are

machines c

accel

created by

lled linear

rators



Dependi

amount of

x-rays

g on the

energy the

have...



... ey can ecancer cells o

the

se o es roythe surface of

ody,



or deeper

into

tissues

and

organs



Compared wit

radiation, x-ra

radiation to a r

ar

other types of

ys can deliver latively large

a





amma rays ar

opes of certain

iation energy

produced wh

elements rele

as they break d





Unlike x-rays a

some particlenetrate only

into tis

d gamma rays,

beams canshort distanc

sue....



they are ofte

ancers located

of or just be

used to treat

on the surfaclow the skin





roton beam

herapy is ape of particle

am radiationerapy used

mostly ontumors



Using Proton

can potentiall

harmful si

eam Therapy

lead to fewer

de effects



How does

measure t

radia

How does

measure t

radia

the doctor

e Dose of

tion?

the doctor

e Dose of

tion?



The amoun

absorbed intocalled the

D

of radiation

the tissues is ADI ATION

SE



The doctor

figure c

Therape

orks with a

lled the

tic Ratio





This ratio co

damage to thwith the dam

ce

mpares the

cancer cellsge to healthy

lls





Can R

Therapypatien

radio

Can R

Therapypatien

radio

diation

cause ato be

ctive?

diation

cause ato be

ctive?



Depending

the type

radiation



External R

Nmake th

radio

diation will

Tpatient

ctive



Internal Radi

can make th

applied to R

tion Therapy

area it was

DIO ACTIVE

h id



It does NOThowever,

make the

whole body

radioactive

thyroid

glands



Radiati

Thera

in

Actio





As before

during the

following yo

entioned,

irst 3 days

r treatment,



you willemitting l

dosesradiatio

ew

f



Seafood is

xceptionallyigh in iodine



Too much ioyour thyroi

ine will slowfunction...



...which is s

you want to

and after yo

mething that

void during

r treatment



Women,

premenopahave a negati

test before t

who are

sal need tove pregnancy

e treatment

fter the



fter the

atment

y shouldke every

rt not to

ecomegnant for

least thenext 6

onths



What

qualificati

radiation

What

qualificati

radiation

re the

ns to be a

herapist?

re the

ns to be a

herapist?



radiationtherapists

must be

rtified by th ARRT...



.and all musthave good

mmunication skills



What dmachines

What dmachines

ifferentare used?ifferentare used?



Sometimes th

named aftemachines use

example the

is treatment is

r one of theto give it -for

gamma knife

K



Kn



Intensity

radiotherapy (the radiation b

fit the shape

odulated

IMRT) shapesams to closely

f the cancer



It also a

radiother according t

of the

lters the

py dose,the shape

ancer





Radiosurge

radiosurger dose of t

y, you have

as a singleeatment



s with stereota

ou have a hea

your

tic radiotherap

frame fixed to

head







Proton and ion

eatment, this istype of radiat

beam radiation

a more compleion treatment





Proton beam

used in the UKof th

herapy is only

to treat cancer eye



Other countrie

the US A are uproton beam ra

types of

in Europe and

sing or testingiation for othe

ancers....



.these include

spinal cordors, sarcomas

ar the spine or ain, and some

ldren¶s cancers



Researc

has als

used it f

prostate

lung an

liver

cancer





What isoused for th

What isoused for thopes aree therapy?opes aree therapy?



Mainly,

odine issed in the

thyroid



phosin the

hor usones,



and

potassiin the

muscle



ThankwatThankwat ou for hingou for hing





rostate Cancer

Radioactive STherapy): eM

- Brachytherap

ed Implantatiodicine Urology



adiation Thera& A - National

y for Cancer:ancer Institute



ACS :: R

Iodine (RThe

dioactive

dioiodine)apy



DHMC |

RadioactiveHyperth

adiology |

Therapy for roidism



http://wwtherapy.or

.proton-/howit.htm





p://www.cancer

er/treatment/raapy-re

elp.org.uk/abo

iotherapy/radiearch

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Radiation Therapy Real