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Radi
The
Radi
TheBy AnnabBy Annab
tion
apy
tion
apyth Colonelth Colonel
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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
a
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amma rays ar
opes of certain
iation energy
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
measure t
radia
How does
measure t
radia
the doctor
e Dose of
tion?
the doctor
e Dose of
tion?
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The amoun
absorbed intocalled the
D
of radiation
the tissues is ADI ATION
SE
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The doctor
figure c
Therape
orks with a
lled the
tic Ratio
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This ratio co
damage to thwith the dam
ce
mpares the
cancer cellsge to healthy
lls
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Can R
Therapypatien
radio
Can R
Therapypatien
radio
diation
cause ato be
ctive?
diation
cause ato be
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
Thera
in
Actio
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As before
during the
following yo
entioned,
irst 3 days
r treatment,
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you willemitting l
dosesradiatio
ew
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
y shouldke every
rt not to
ecomegnant for
least thenext 6
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
- Brachytherap
ed Implantatiodicine Urology
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adiation Thera& A - National
y for Cancer:ancer Institute
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ACS :: R
Iodine (RThe
dioactive
dioiodine)apy
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DHMC |
RadioactiveHyperth
adiology |
Therapy for roidism
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http://wwtherapy.or
.proton-/howit.htm
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p://www.cancer
er/treatment/raapy-re
elp.org.uk/abo
iotherapy/radiearch