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Special Procedures > Radiation Oncology > Flashcards

Radiation Oncology Flashcards

1
Q

Three principal methods used to treat cancer

A

Radiation therapy, chemotherapy and surgery

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2
Q

Cancericidal dose

A

Cancer killing radiation

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3
Q

Top cancer for men and women

A

Men- prostate
Women -breast

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4
Q

Metastasis

A

When cancer spreads to surrounding tissues

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5
Q

Role of medical dosimetrist

A

Creates a plan for delivering the treatments in a manner to meet best the physicians goals of is radiating the tumor while protecting normal vital structures

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6
Q

Role of radiation therapist

A

Obtaining radiographs or Ct scans that localize the area to be treated, administering the treatment, keeping accurate records of dose delivered each day, monitor patients well being

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7
Q

Fractionation

A

Delivery of small doses daily until entire treatment dose is reached

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8
Q

Cancer

A

Disease that involves an unregulated, uncontrolled replication of cells

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9
Q

Most common cancer death

A

Lung

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10
Q

Carcinogen

A

Substance that causes cancer

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11
Q

TNM

A

Tumor size
Node involvement
Metastasis

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12
Q

LET

A

Linear energy transfer

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13
Q

RBE

A

Relative biologic effectiveness

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14
Q

Why are cancer cells sensitive to radiation

A

They are undifferentiated

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15
Q

External beam treatment

A

Patient lies under a machine that emits radiation of generates a beam of X-rays

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16
Q

Brachytherapy

A

A technique in which the radioactive material is placed within the patient

17
Q

Cyberknife

A

Sterotatic radiosurgery

18
Q

Isocentric machine

A

Rotates 360 degrees around the patient

19
Q

Most commonly used machine for cancer treatment

A

Linac

20
Q

MLC

A

multileaf coloration

21
Q

IMRT

A

Intensity modulated radiation therapy

22
Q

VMAT

A

Volumetric modulated arc therapy

23
Q

IGRT

A

Image guided radiation therapy

24
Q

SRT

A

Stereotactic radiation therapy

25
Q

SRS

A

Stereotactic radiation therapy

26
Q

PBS

A

Pencil beam scanning

27
Q

Steps in radiation oncology

A

Simulation
Dosimetry
Treatment

28
Q

3 beams used to treat cancer

A

Electrons, ionizing radiation, protons

29
Q

Principal advantage to proton beam

A

The sparring of surrounding normal tissues

Special Procedures (10 decks)

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