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PatientMModule - Patient
Clinical Trial SubjectUModule - Patient
General StudyMModule - Study
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Patient StudyUModule - Study
RT SeriesMModule - Series
Clinical Trial SeriesUModule - Series
General EquipmentMModule - Equipment
RT General Treatment RecordMModule - Treatment Record
RT Patient SetupUModule - Treatment Record
RT Treatment Machine RecordMModule - Treatment Record
Measured Dose Reference RecordUModule - Treatment Record
Calculated Dose Reference RecordUModule - Treatment Record
RT Ion Beams Session RecordMModule - Treatment Record
(3008,0021) Treatment Session Ion Beam Sequence1Sequence
(3008,0022) Current Fraction Number2Integer String
(3008,002A) Treatment Termination Status1Code String
(3008,002C) Treatment Verification Status2Code String
(3008,0032) Specified Primary Meterset3Decimal String
(3008,0033) Specified Secondary Meterset3Decimal String
(3008,0036) Delivered Primary Meterset3Decimal String
(3008,0037) Delivered Secondary Meterset3Decimal String
(3008,003A) Specified Treatment Time3Decimal String
(3008,003B) Delivered Treatment Time3Decimal String
(3008,0041) Ion Control Point Delivery Sequence1Sequence
(3008,0080) Referenced Measured Dose Reference Sequence3Sequence
(3008,0090) Referenced Calculated Dose Reference Sequence3Sequence
(3008,0076) Calculated Dose Reference Dose Value1Decimal String
(3008,0092) Referenced Calculated Dose Reference Number1CInteger String
(300C,0051) Referenced Dose Reference Number1CInteger String
(3008,00A0) Beam Limiting Device Leaf Pairs Sequence3Sequence
(3008,00A1) Enhanced RT Beam Limiting Device Sequence1CSequence
(3008,00A3) Enhanced RT Beam Limiting Device Definition Flag3Code String
(3008,00B0) Recorded Wedge Sequence1CSequence
(3008,00C0) Recorded Compensator Sequence1CSequence
(3008,00D0) Recorded Block Sequence1CSequence
(3008,00F0) Recorded Snout Sequence1CSequence
(3008,00F2) Recorded Range Shifter Sequence1CSequence
(3008,00F4) Recorded Lateral Spreading Device Sequence1CSequence
(3008,00F6) Recorded Range Modulator Sequence1CSequence
(300A,00C2) Beam Name1Long String
(300A,00C3) Beam Description3Short Text
(300A,00C4) Beam Type1Code String
(300A,00C6) Radiation Type1Code String
(300A,00CE) Treatment Delivery Type2Code String
(300A,00D0) Number of Wedges1Integer String
(300A,00E0) Number of Compensators1Integer String
(300A,00ED) Number of Boli1Integer String
(300A,00F0) Number of Blocks1Integer String
(300A,0107) Applicator Sequence1CSequence
(300A,0110) Number of Control Points1Integer String
(300A,0150) Fixation Eye3Code String
(300A,0302) Radiation Mass Number1CInteger String
(300A,0304) Radiation Atomic Number1CInteger String
(300A,0306) Radiation Charge State1CSigned Short
(300A,0308) Scan Mode1Code String
(300A,0309) Modulated Scan Mode Type1CCode String
(300A,0312) Number of Range Shifters1Integer String
(300A,0330) Number of Lateral Spreading Devices1Integer String
(300A,0340) Number of Range Modulators1Integer String
(300A,0350) Patient Support Type1Code String
(300A,0352) Patient Support ID3Short String
(300A,0354) Patient Support Accessory Code3Long String
(300A,0356) Fixation Light Azimuthal Angle3Single
(300A,0358) Fixation Light Polar Angle3Single
(300A,0420) General Accessory Sequence3Sequence
(300A,0506) Delivered Depth Dose Parameters Sequence3Sequence
(300A,0715) RT Treatment Termination Reason Code Sequence3Sequence
(300A,0716) Machine-Specific Treatment Termination Code Sequence3Sequence
(300A,0730) Treatment Termination Description3Short Text
(300A,0740) Interlock Sequence3Sequence
(300C,0006) Referenced Beam Number1Integer String
(300C,0040) Referenced Verification Image Sequence3Sequence
(300C,006A) Referenced Patient Setup Number3Integer String
(300C,00A0) Referenced Tolerance Table Number3Integer String
(300C,00B0) Referenced Bolus Sequence1CSequence
(3010,0038) Entity Long Label3Long String
(300A,0078) Number of Fractions Planned2Integer String
(300A,00B3) Primary Dosimeter Unit1Code String
(300C,0022) Referenced Fraction Group Number3Integer String
RT Treatment Summary RecordUModule - Treatment Record
General ReferenceUModule - Treatment Record
SOP CommonMModule - Treatment Record
Common Instance ReferenceUModule - Treatment Record
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Built with by Innolitics, a team of medical imaging software developers.

Data synced with official DICOM standard on 18 April 2024. The DICOM Standard is under continuous maintenance, and the current official version is available at http://www.dicomstandard.org/current/. DICOM Parts 3, 4, and 6, © NEMA. Please note that the most recent PDF version of the standard is the official reference, and should checked when making technical decisions.

Referenced Dose Reference Number Attribute

Tag(300C,0051)
TypeConditionally Required (1C)
KeywordReferencedDoseReferenceNumber
Value Multiplicity1
Value RepresentationInteger String (IS)

Uniquely identifies Dose Reference specified by Dose Reference Number (300A,0012) in Dose Reference Sequence (300A,0010) in RT Prescription Module of referenced RT Ion Plan. Required if Referenced Calculated Dose Reference Number (3008,0092) is not present.

RT Prescription Module

C.8.8.10 RT Prescription Module

Table C.8-46. RT Prescription Module Attributes

Attribute Name

Tag

Type

Attribute Description

Prescription Description

(300A,000E)

3

User-defined description of treatment prescription.

Dose Reference Sequence

(300A,0010)

3

Sequence of Dose References.

One or more Items are permitted in this Sequence.

>Dose Reference Number

(300A,0012)

1

Identification number of the Dose Reference. The value of Dose Reference Number (300A,0012) shall be unique within the RT Plan in which it is created.

>Dose Reference UID

(300A,0013)

3

A unique identifier for a Dose Reference that can be used to link the same entity across multiple RT Plan objects.

>Dose Reference Structure Type

(300A,0014)

1

Structure type of Dose Reference.

Defined Terms:

POINT

dose reference point specified as ROI

VOLUME

dose reference volume specified as ROI

COORDINATES

point specified by Dose Reference Point Coordinates (300A,0018)

SITE

dose reference clinical site

>Dose Value Purpose

(300A,061D)

3

Purpose(s) for which dose values in this Sequence Item are provided.

Defined Terms:

TRACKING

The dose values are used for tracking.

QA

The dose values are used for quality assurance.

See Section C.8.8.10.1 and Section C.8.8.14.7.

>Dose Value Interpretation

(300A,068B)

3

Interpretation of the dose values.

Enumerated Values:

NOMINAL

ACTUAL

See Section C.8.8.10.1 and Section C.8.8.14.7.

>Dose Reference Description

(300A,0016)

3

User-defined description of Dose Reference.

>Referenced ROI Number

(3006,0084)

1C

Uniquely identifies ROI representing the dose reference specified by ROI Number (3006,0022) in Structure Set ROI Sequence (3006,0020) in Structure Set Module within RT Structure Set in Referenced Structure Set Sequence (300C,0060) in RT General Plan Module. Required if Dose Reference Structure Type (300A,0014) is POINT or VOLUME.

>Dose Reference Point Coordinates

(300A,0018)

1C

Coordinates (x,y,z) of Reference Point in the Patient-Based Coordinate System described in Section C.7.6.2.1.1 (mm). Required if Dose Reference Structure Type (300A,0014) is COORDINATES.

>Nominal Prior Dose

(300A,001A)

3

Dose (in Gy) from prior treatment to this Dose Reference (e.g., from a previous course of treatment).

>Dose Reference Type

(300A,0020)

1

Type of Dose Reference.

Defined Terms:

TARGET

treatment target (corresponding to GTV, PTV, or CTV in [ICRU Report 50])

ORGAN_AT_RISK

Organ at Risk (as defined in [ICRU Report 50])

>Constraint Weight

(300A,0021)

3

Relative importance of satisfying constraint, where high values represent more important constraints.

>Delivery Warning Dose

(300A,0022)

3

The dose (in Gy) that when reached or exceeded should cause some action to be taken.

>Delivery Maximum Dose

(300A,0023)

3

The maximum dose (in Gy) that can be delivered to the dose reference.

>Target Minimum Dose

(300A,0025)

3

Minimum permitted dose (in Gy) to Dose Reference if Dose Reference Type (300A,0020) is TARGET.

>Target Prescription Dose

(300A,0026)

3

Prescribed dose (in Gy) to Dose Reference if Dose Reference Type (300A,0020) is TARGET.

>Target Maximum Dose

(300A,0027)

3

Maximum permitted dose (in Gy) to Dose Reference if Dose Reference Type (300A,0020) is TARGET.

>Target Underdose Volume Fraction

(300A,0028)

3

Maximum permitted fraction (in percent) of Target to receive less than the Target Prescription Dose if Dose Reference Type (300A,0020) is TARGET and Dose Reference Structure Type (300A,0014) is VOLUME. See Section C.8.8.10.1.

>Organ at Risk Full-volume Dose

(300A,002A)

3

Maximum dose (in Gy) to entire Dose Reference if Dose Reference Type (300A,0020) is ORGAN_AT_RISK and Dose Reference Structure Type (300A,0014) is VOLUME.

>Organ at Risk Limit Dose

(300A,002B)

3

Maximum permitted dose (in Gy) to any part of Dose Reference if Dose Reference Type (300A,0020) is ORGAN_AT_RISK and Dose Reference Structure Type (300A,0014) is VOLUME.

>Organ at Risk Maximum Dose

(300A,002C)

3

Maximum dose (in Gy) to non-overdosed part of Dose Reference if Dose Reference Type (300A,0020) is ORGAN_AT_RISK and Dose Reference Structure Type (300A,0014) is VOLUME.

>Organ at Risk Overdose Volume Fraction

(300A,002D)

3

Maximum permitted fraction (in percent) of the Organ at Risk to receive more than the Organ at Risk Maximum Dose if Dose Reference Type (300A,0020) is ORGAN_AT_RISK and Dose Reference Structure Type (300A,0014) is VOLUME.


C.8.8.10.1 Target Underdose Volume Fraction

If the Target Underdose Volume Fraction (300A,0028) is not present, it shall be interpreted as zero.

C.8.8.10.1 Dose Value Purpose

The Dose Value Purpose (300A,061D) allows consuming systems to identify the dose contributions that are relevant to their use-case.

Other use cases may be defined using additional Defined Terms and shall be documented in the Conformance Statement of the application.

C.8.8.10.1 Dose Value Interpretation

The dose references listed in the Dose Reference Sequence (300A,0010) may receive dose contributions accumulated from different beams. Whereas the Beam Dose (300A,0084) that is used to determine the dose contribution of a beam to the Dose Reference may be calculated individually for each beam or on a fraction level carrying a nominal dose only, the accumulated dose values may also be interpreted as nominal or actual. For potential use cases, see Table C.8.8.10.3-1, for an example, and see Section C.8.8.14.7.

The Enumerated Value NOMINAL indicates that the dose value associated with the dose reference is a nominal value that was provided as an input for treatment planning. Such a value may be used to track delivered dose over a number of delivered RT Treatment Fractions in a Treatment Management System, or eventually to match against a prescribed dose value in a Hospital Information System for billing purposes.

The Enumerated Value ACTUAL indicates that the dose value associated with the dose reference was calculated during planning. Such a value may be used for quality assurance purposes where the plan parameters are used to re-calculate the dose and where a re-calculated value is expected to match the dose value provided by the Dose Reference.

Note

This differs from the usage of ACTUAL when recording measured values in treatment records.

Table C.8.8.10.3-1. Dose Value Interpretation Example Use Cases

Dose Reference Structure Type (300A,0014)

VOLUME/SITE

POINT/COORDINATE

Dose Value Interpretation (300A,068B)

NOMINAL

Tracking a nominal (e.g., prescribed) dose.

Tracking a nominal (e.g., prescribed) dose ("prescribed point dose").

ACTUAL

Tracking an actual (calculated) dose.

Comparison of calculated/measured dose values.