Clinical introduction lecture Flashcards

1
Q

What does CRT stand for?

A

Conformal Radiation Therapy

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2
Q

What does CT Stand for?

A

Computed Tomography

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3
Q

What does CTV stand for?

A

Clinical Target Volume/Clinical Treatment volume

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4
Q

What does DICOM stand for?

A

Digital Imaging and communications in medicine

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5
Q

What is GTV?

A

Gross Tumour Volume

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6
Q

What is the PTV?

A

Planning Target Volume

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7
Q

What is the OAR?

A

Organs at risk

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8
Q

DVH?

A

Dose volume Histogram

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9
Q

EPID?

A

ectronic portal imaging Syste

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10
Q

FDG?

A

18G 2-fluro-2deoxyglucose

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11
Q

ICRU?

A

International commission on radiation units and measurements

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12
Q

IGRT?

A

Image guided radiotherapy

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13
Q

IMRT?

A

Intensity modulated radiotherapy

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14
Q

ITV?

A

internal Target Volume

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15
Q

MLC?

A

Multi-leaf collimater

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16
Q

MRI?

A

Magnetic Resonance Imaging

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17
Q

MRS?

A

Magnetic resonance spectroscopy

18
Q

PET?

A

Positron emission Tomography

19
Q

SABR?

A

Stereotactic Ablative Radiotherapy

20
Q

SBRT?

A

Stereotactic body Radiotherapy

21
Q

SRS?

A

Stereotactic Radiosurgery

22
Q

TBI?

A

Total Body Irradiation

23
Q

TMI?

A

Total Marrow Irradiation

24
Q

TSET?

A

Total Skin electron Therapy

25
TPS?
Treatment Planning System
26
What are the 8 different types of treatment couch inserts?
1) BrainLAB imaging couch top 2) Qfix kVue Standard 3) Qfix KVue DoseMax 4) MEDTEC model T-IL 3303 5) Universal Sandwich Panel 6) Varian Grid Insert 7) DIGNITY AIRPLATE 8) Varian Exact IGRT couch top
27
How many meters of concrete is present between the maze and the Linac?
At least one meter (usually), some sections are 1.5m due to leakage radiation
28
What is the primary barrier?
Think concrete on the lateral sides of the beam to stop the main beam
29
What is the secondary barrier?
Stops the secondary scatter
30
The maze is designed based on what standards?
Time, distance, shielding
31
What is a controlled area?
An area that the public can not access, only people with a TLD are in this area.
32
Where do you view the BEAM ON BEAM OFF sign?
Outside the door, and inside the room
33
What are the 3 CPPs or 3C's?
Correct- patient, position, site
34
What is the annual occupational and public radiation limit?
20MV averaged over 5 years, | 1MV for the public
35
Why do we need to have the correct patient, position, and site?
The wrong patient has been treated before
36
What is the QA?
All the procedures that ensure the consistency of the medical prescription, fulfilment of that prescription. Why we work in pairs as a minimum You plan something, check that its right, guarantee that its right,
37
What are the three forms of Identification used?
Name, DOB, photograph
38
What are basic treatment techniques?
Chest Parallel opposed Pair, tangential Beams, Four field Box, sunrise technique, Complex planning, VMAT
39
What is an parallel opposed pair?
Usually a 0 and 180 degree beams which are parallel and opposed.
40
Why wouldn't you have a posterior beam when treating the prostate?
because of the rectum, can use a sunrise technique instead to avoid