Radiation Therapy Real

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Radi

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What isWhat is adiation?adiation?

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Energy that i

ransmitted in t

r waves or par 

s

radiated o

e form of ray

ticles

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What are t

of energyradiation

What are t

of energyradiation

e sources

or externaltherapy?

e sources

or externaltherapy?

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X-rays or ga

are bothelectromagne

and e

mma rays,

orms of tic radiation

ergy

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X-rays are

machines c

accel

created by

lled linear 

rators

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Dependi

amount of 

x-rays

g on the

energy the

have...

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... ey can ecancer cells o

the

se o es roythe surface of 

ody,

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or deeper 

into

tissues

and

organs

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Compared wit

radiation, x-ra

radiation to a r 

ar 

other types of 

ys can deliver latively large

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amma rays ar 

opes of certain

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produced wh

elements rele

as they break d

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Unlike x-rays a

some particlenetrate only

into tis

d gamma rays,

beams canshort distanc

sue....

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they are ofte

ancers located

of or just be

used to treat

on the surfaclow the skin

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roton beam

herapy is ape of particle

am radiationerapy used

mostly ontumors

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Using Proton

can potentiall

harmful si

eam Therapy

lead to fewer 

de effects

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How does

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The amoun

absorbed intocalled the

D

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the tissues is ADI ATION

SE

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The doctor 

figure c

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orks with a

lled the

tic Ratio

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This ratio co

damage to thwith the dam

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cancer cellsge to healthy

lls

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Can R

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radio

Can R

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radio

diation

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ctive?

diation

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ctive?

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Depending

the type

radiation

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External R

Nmake th

radio

diation will

Tpatient

ctive

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Internal Radi

can make th

applied to R

tion Therapy

area it was

DIO ACTIVE

h id

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It does NOThowever,

make the

whole body

radioactive

 thyroid

glands

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Radiati

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in

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 As before

during the

following yo

entioned,

irst 3 days

r treatment,

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you willemitting l

dosesradiatio

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f 

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Seafood is

xceptionallyigh in iodine

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Too much ioyour thyroi

ine will slowfunction...

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...which is s

you want to

and after yo

mething that

void during

r treatment

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Women,

premenopahave a negati

test before t

who are

sal need tove pregnancy

e treatment

fter the

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fter the

atment

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rt not to

ecomegnant for 

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onths

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What

qualificati

radiation

What

qualificati

radiation

re the

ns to be a

herapist?

re the

ns to be a

herapist?

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radiationtherapists

must be

rtified by th ARRT...

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.and all musthave good

mmunication skills

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What dmachines

What dmachines

ifferentare used?ifferentare used?

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Sometimes th

named aftemachines use

example the

is treatment is

r one of theto give it -for 

gamma knife

K

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Kn

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Intensity

radiotherapy (the radiation b

fit the shape

odulated

IMRT) shapesams to closely

f the cancer 

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It also a

radiother according t

of the

lters the

py dose,the shape

ancer 

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Radiosurge

radiosurger dose of t

y, you have

as a singleeatment

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s with stereota

ou have a hea

your 

tic radiotherap

  frame fixed to

head

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Proton and ion

eatment, this istype of radiat

beam radiation

a more compleion treatment

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Proton beam

used in the UKof th

herapy is only

to treat cancer eye

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Other countrie

the US A are uproton beam ra

types of 

in Europe and

sing or testingiation for othe

ancers....

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.these include

spinal cordors, sarcomas

ar the spine or ain, and some

ldren¶s cancers

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Researc

has als

used it f 

prostate

lung an

liver 

cancer 

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What isoused for th

What isoused for thopes aree therapy?opes aree therapy?

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Mainly,

odine issed in the

thyroid

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phosin the

hor usones,

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and

potassiin the

muscle

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ThankwatThankwat ou for hingou for hing

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rostate Cancer 

Radioactive STherapy): eM

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adiation Thera& A - National

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 ACS :: R

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DHMC |

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http://wwtherapy.or 

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p://www.cancer 

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