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| Tag | (3006,00A4) |
|---|---|
| Type | Required, Empty if Unknown (2) |
| Keyword | RTROIInterpretedType |
| Value Multiplicity | 1 |
| Value Representation | Code String (CS) |
Type of ROI. See Section C.8.8.8.1.
Defined Terms:
external patient contour
Planning Target Volume (as defined in ICRU50)
Clinical Target Volume (as defined in ICRU50)
Gross Tumor Volume (as defined in ICRU50)
Treated Volume (as defined in ICRU50)
Irradiated Volume (as defined in ICRU50)
patient bolus to be used for external beam therapy
region in which dose is to be minimized
patient organ
patient marker or marker on a localizer
registration ROI
treatment isocenter to be used for external beam therapy
volume into which a contrast agent has been injected
patient anatomical cavity
brachytherapy channel
brachytherapy accessory device
brachytherapy source applicator
brachytherapy channel shield
external patient support device
external patient fixation or immobilization device
ROI to be used as a dose reference
ROI to be used in control of dose optimization and calculation
ROI representing a dose measurement device, such as a chamber or TLD
RT ROI Interpreted Type (3006,00A4) shall describe the class of ROI (e.g., CTV, PTV). Individual instances of each class of structure (e.g., CTV1, CTV2) can be distinguished using ROI Observation Label (3006,0085).