Term
| In simple terms, what is the goal of treatment simulation? |
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Definition
Identify/setup the treatment position.
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Term
Answer: To identify position of target volume and adjacent normal and adjacent normal organs with respect to known external skin marks --> uses this information to setup appropriate treatment fields.
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Definition
| Q- What is the goal of treatment simulation? |
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Term
| What is the outcome of simulation? |
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Definition
To define the anatomical area so that it is reproducible for daily treatment.
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Term
| Geometric definition of the position and extent of the tumor or anatomical structures by reference of surface marks that can be used for treatment setup. |
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Definition
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Term
Final check that each of the planned treatment beams covers the tumor or target volume and does not irradiate critical normal structures.
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Definition
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Term
| separation is the same as |
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Definition
| IFD - intra field distance |
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Term
| Measures the thickness of the patient along the central axis. |
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Definition
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Term
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Definition
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Term
| special ruler with one sliding leg and one stationary. |
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Definition
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Term
dimensions of the treatment field at isocenter, represented by:
width x length
or
length x width
X x Y or Y x X |
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Definition
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Term
| What is the order from smallest to largest of field sizes? |
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Definition
GTV gross tumor volume
CTV clinical target volume
PTV planning target volume
Treated volume
irradiated volume
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Term
| Target volume is determined by radiation oncologist based on the following 3 things: |
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Definition
1. knowledge of history of tumor
2. patterns of spread
3. diagnostic findings during workup
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Term
| Field locations determined first, then target is defined, and the fields shaped to treat target. |
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Definition
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Term
| Target is defined first, then the fields are shaped to conform to the target. |
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Definition
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Term
| : can use palpation and visualization for shallow lesions |
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Definition
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Term
| : use imaging for deep seated lesions |
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Definition
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Term
Name 4 guide to determine position and size of target volume:
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Definition
1. metal clips around tumor - placed during surgery
2. radiopaque contrast media
3. lead wires placed on skin surface
4. bony landmarks
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Term
| This will optimize target volume and minimize radiation of normal tissues |
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Definition
| Localize CAX (Central AXis) and edges of treatment fields |
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Term
| provides information in anterior to posterior and cephalad to caudad direction |
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Definition
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Term
| provides information in cephalad to caudad and left to right direction |
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Definition
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Term
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Definition
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Term
| ___ show anatomy in the coronal plane. structures are displayed in the inferior/superior and left/right directions |
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Definition
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Term
| ___ show anatomy in the sagittal plane. structures are displayed in the inferior/superior and anterior/posterior direction. |
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Definition
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Term
| Need ____ for best treatment plan and to locate internal organs and determine tumor volume. |
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Definition
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Term
| Obtain ___________ to provide 3D localization or CT. |
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Definition
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Term
_______= the isocenter is placed withing target volume
- three dimensional tumor localization needed.
field size is defined at isocenter within new patient |
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Definition
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Term
| In pre-sim. planning: all relevant patient information is gathered and eval. of possible treatment approach is discussed... |
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Definition
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Term
| Pre-sim. planning : ______________ and discussion of any radiographs, CT/MRI, pathology, and operating reports |
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Definition
| therapist/physician consultation |
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Term
In Pre-sim. planning...
_____ and ______ should be decided |
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Definition
| contrast materials and immobilization devices |
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Term
| Prep. of room - Set up in advance for |
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Definition
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Term
| prep. of room - besides making sure the room is clean.. (3) |
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Definition
1 table setup with immobilization devices ready or ready to make
2. set approximate field size
3. make sure gantry is at zero |
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Term
explanation of sim. procedure:
part 1 - _________ - make the patient as comfortable as possible by good assessment |
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Definition
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Term
explanation of sim. procedure -
part 2 - ___________ - explain the simulation procedure in detail and always maintain eye contact with the patient.
Keep the converstation directed toward the patient and the explanation... |
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Definition
communication
at his/her level of understanding |
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Term
educating the patient and family:
educate the patient and family on what will go on during the patient's visits.
explain about caring for ... |
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Definition
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Term
educating the patient and family:
Give any special instructions such as _____
discuss appointment times and how long each appointment will take.
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Definition
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Term
| Used to image treatment fields and optimize their placement. |
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Definition
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Term
| ___ is an essential tool for planning and designing radiotherapy treatments. |
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Definition
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Term
| 3 examples of daily reproducability techniques: |
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Definition
lasers
skin marking
immobilization techniques |
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Term
patient positioning and immob. :
must position patient in a position that... (2) |
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Definition
the patient can maintain
can be reproduced in a treatment room |
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Term
Patient position/treatment will be determined by intended treatment.
Most comfortable position = ? |
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Definition
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Term
it is a " ? " :
need a patient in a comf. position so they don't move during setup and treatment, but certain treatments require specific positioning that may be uncomfortable. |
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Definition
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Term
| When taking measurements, have patient... |
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Definition
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Term
| Remember -> when a patient's treatment position is changed, ... |
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Definition
| there can be displacement of anatomy. |
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Term
| Field parameters such as width, length, gantry angle, collimator angle, and isocenter placement should be established with the help of ... |
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Definition
| fluoroscopy or virtual planning software. |
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Term
Setup parameters:
position (4) |
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Definition
1. patient position
2. head support
3. leg/feet position
4. arm position |
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Term
record setup - Setup parameters:
after position, then ____ |
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Definition
support and immobilization devices
-head cast, bite block, arm board.
- breast board, prone pillow, alpha cradle, vac lock |
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Term
record setup - setup parameters
position
immobilization/support
then ____ -> the best record of all |
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Definition
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Term
acronym for radiograph information:
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Definition
Paul- patients name
is- id number
feeling- field size
guilty- gantry angle
cause - collimator angle
cheese - couch angle
still - ssd and sid
tastes - treatment unit
dirty - doctor
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Term
| use ___ to record patient pertinent information. |
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Definition
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