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DICOM PS3.3 2020a - Information Object Definitions​ Page 1631​

Table C.36.6-1. RT Enhanced Prescription Module Attributes​

Attribute Name​

Tag​

Type​

Attribute Description​

RT Prescription Sequence​

(3010,006B)​

1​

Prescriptions to deliver therapeutic radiation.​

 

 

 

One or more Items shall be included in this Sequence.​

>RT Prescription Label​

(3010,0054)​

1​

User-defined label for this prescription.​

 

 

 

See Section 10.31.1.1.​

>RT Prescription Index​

(3010,003C)​

1​

Index of the prescription in the Sequence.​

 

 

 

The value shall start at 1 and increase monotonically by 1.​

>Referenced RT Physician​

(3010,005E)​

1C​

The value of the RT Physician Intent Index (3010,0058) in the RT​

Intent Index​

 

 

PhysicianIntentSequence(3010,0057)correspondingtotheintent​

 

 

 

for which this prescription is created.​

 

 

 

RequiredifReferencedParentRTPrescriptionIndex(3010,0042)​

 

 

 

is absent.​

 

 

 

See Section C.36.6.1.5.​

>Referenced Parent RT​

(3010,0042)​

1C​

ThevalueoftheRTPrescriptionIndex(3010,003C)corresponding​

Prescription Index​

 

 

to a prescription that is the parent prescription to this one.​

 

 

 

This attribute shall reference a Prescription that contains​

 

 

 

Referenced RT Physician Intent Index (3010,005E).​

 

 

 

RequirediftheReferencedRTPhysicianIntentIndex(3010,005E)​

 

 

 

is absent.​

 

 

 

See Section C.36.6.1.5.​

>Referenced Dosimetric​

(3010,0071)​

2​

References to Dosimetric Objectives in the Dosimetric Objective​

Objectives Sequence​

 

 

Sequence (3010,006C) applicable to this prescription.​

 

 

 

See Section C.36.6.1.6.​

 

 

 

Zero or more Items shall be included in this Sequence.​

>>Referenced Dosimetric​

(3010,006F)​

1​

Reference to a Dosimetric Objective UID (3010,006E) in the​

Objective UID​

 

 

Dosimetric Objective Sequence (3010,006C).​

>>Dosimetric Objective​

(3010,0074)​

1C​

Weight of importance to be applied to the Dosimetric Objective.​

Weight​

 

 

Ahighervaluemeansthatthisobjectiveismoreimportant.Values​

 

 

 

are only meaningful within the Items in this Sequence. The use of​

 

 

 

weight value in the process of optimization and treatment​

 

 

 

parameter definition is implementation-dependent.​

 

 

 

Required if Absolute Dosimetric Objective Flag (3010,0073) is​

 

 

 

NO.​

>RT Anatomic Prescription​

(3010,0060)​

1​

Prescriptions for an anatomic region.​

Sequence​

 

 

One or more Items shall be included in this Sequence.​

 

 

 

>>Include Table 10.31-1 “Entity Labeling Macro Attributes”​

 

>>TherapeuticRoleCategory​

(3010,0064)​

1​

The general category of the therapeutic role of this anatomic​

Code Sequence​

 

 

region.​

 

 

 

Only a single Item shall be included in this Sequence.​

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 9503 “Radiotherapy Therapeutic Role Categories”.​

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DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

 

Attribute Description​

>>Therapeutic Role Type​

(3010,0065)​

1​

The specific property type of the therapeutic role of this anatomic​

Code Sequence​

 

 

region.​

 

 

 

 

Only a single Item shall be included in this Sequence.​

 

 

 

See Section C.36.6.1.1.​

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

Context Groups are specified in Section C.36.6.1.1.​

>>Conceptual Volume​

(3010,0066)​

2​

ValueusedtoresolveusageofoverlappingregionsofConceptual​

Optimization Precedence​

 

 

Volumes during dose optimization.​

 

 

 

An overlapping region is part of the Conceptual Volume(s) with​

 

 

 

the lowest number. An overlapping region is not part of any other​

 

 

 

Conceptual Volume with a higher number.​

 

 

 

Overlapping regions with equal precedence are part of all​

 

 

 

Conceptual Volumes with the same value.​

 

 

 

Any number takes precedence over an empty value.​

>>Conceptual Volume​

(3010,0068)​

2​

Constraints on primary radiation passing through the current​

Blocking Constraint​

 

 

Conceptual Volume.​

 

 

 

Enumerated Values:​

 

 

 

NONE​

No constraint.​

 

 

 

UPSTREAM​ The optimization is constrained to minimize​

 

 

 

 

primaryradiationfromthesourcepassingthrough​

 

 

 

 

the current Conceptual Volume. The Conceptual​

 

 

 

 

Volume is upstream of the target.​

 

 

 

DOWNSTREAM​The optimization is constrained to minimize​

 

 

 

 

primaryradiationfromthesourcepassingthrough​

 

 

 

 

the current Conceptual Volume. The Conceptual​

 

 

 

 

Volume is downstream of the target.​

 

 

 

TOTAL​

The optimization is constrained to minimize​

 

 

 

 

primary radiation passing through the current​

 

 

 

 

Conceptual Volume.​

 

 

 

Primary Radiation is defined as modulated or shaped radiation,​

 

 

 

as opposed to scattered radiation or transmission radiation.​

>>Conceptual Volume​

(3010,0067)​

2​

The general category of this Conceptual Volume for radiotherapy​

Category Code Sequence​

 

 

purposes.​

 

 

 

 

Zero or one Item shall be included in this Sequence.​

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 9501 “Prescription Anatomy Categories”.​

>>Conceptual Volume Type​

(3010,0069)​

1C​

The specific type of this Conceptual Volume for radiotherapy​

Code Sequence​

 

 

purposes.​

 

 

 

 

Only a single Item shall be included in this Sequence.​

 

 

 

Required if Conceptual Volume Category Code Sequence​

 

 

 

(3010,0067) sequence contains one Item.​

 

 

 

See Section C.36.6.1.2.​

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

Context groups are specified in Section C.36.6.1.2.​

>>Conceptual Volume Type​

(3010,006A)​

3​

The modifier of the specific type of this Conceptual Volume for​

Modifier Code Sequence​

 

 

radiotherapy purposes.​

Only a single Item is permitted in this Sequence.​

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DICOM PS3.3 2020a - Information Object Definitions​

Page 1633​

Attribute Name​

Tag​

Type​

Attribute Description​

 

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 244 “Laterality”.​

 

>>Conceptual Volume​

(3010,0025)​

1​

Conceptual Volume for which therapeutic goals are prescribed.​

Sequence​

 

 

See Section C.36.6.1.3.​

 

 

 

 

 

 

 

 

Only a single Item shall be included in this Sequence.​

 

 

 

The same Conceptual Volume UID (3010,0006) shall not appear​

 

 

 

in more than one Item of the RT Anatomic Prescription Sequence​

 

 

 

(3010,0060).​

 

>>>Include Table 10.34-1 “Conceptual Volume Segmentation​

 

 

Reference And Combination Macro Attributes”​

 

 

 

>>Conceptual Volume​

(3010,0017)​

2​

Description of the Conceptual Volume.​

 

Description​

 

 

 

 

>Referenced RT Treatment​

(3010,0049)​

1C​

Referenced treatment phase(s) to which this prescription applies.​

Phase Sequence​

 

 

RequiredifRTTreatmentPhaseIntentPresenceFlag(3010,0045)​

 

 

 

 

 

 

of this RT Physician Intent SOP Instance equals YES.​

 

 

 

One or more Items shall be included in this Sequence.​

>>Referenced RT Treatment​

(3010,0040)​

1​

Value of RT Treatment Phase Index (3010,003A) in the Intended​

Phase Index​

 

 

RT Treatment Phase Sequence (3010,004B) where this​

 

 

 

prescription is related to.​

 

>Fraction-BasedRelationship​

(3010,0082)​

2​

The relationship of this prescription to another prescription,​

Sequence​

 

 

expressed in fractions.​

 

 

 

 

Zero or one Item shall be included in this Sequence.​

 

 

 

See Section C.36.6.1.4.​

 

>>ReferencedRTPrescription​

(3010,0041)​

1​

ValueofRTPrescriptionIndex(3010,003C)intheRTPrescription​

Index​

 

 

Sequence (3010,006B) specifying the prescription to which the​

 

 

 

current prescription is related.​

 

>>Fraction-Based​

(3010,0083)​

1​

The anchor point of this RT Prescription Sequence Item with​

Relationship Interval Anchor​

 

 

respect to the prescription referenced by Referenced RT​

 

 

 

Prescription Index (3010,0041).​

 

Enumerated Values:​

START​The interval is specified with respect to the start of the​ referenced prescription.​

END​ The interval is specified with respect to the end of the​ referenced prescription.​

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Page 1634​

DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

Attribute Description​

>>Number of Interval​

(3010,007C)​

1​

Theintervalexpressedinnumberoffractions.TheFraction-Based​

Fractions​

 

 

Relationship Interval Anchor (3010,0083) establishes the anchor​

 

 

 

point to which the interval is tied.​

 

 

 

Avalueof0meansthatthecurrentprescriptionisintendedtostart​

 

 

 

simultaneously with the anchor of the related prescription.​

 

 

 

IfFraction-BasedRelationshipIntervalAnchor(3010,0083)equals​

 

 

 

START, the value shall be 0 or positive. This is the number of​

 

 

 

fractions after the first fraction of the delivery of the referenced​

 

 

 

prescriptionthatthedeliveryofthecurrentprescriptionisintended​

 

 

 

to start.​

 

 

 

IfFraction-BasedRelationshipIntervalAnchor(3010,0083)equals​

 

 

 

END, the value shall be negative or 0. This is the number of​

 

 

 

fractions prior to the last fraction of the delivery of the referenced​

 

 

 

prescriptionthatthedeliveryofthecurrentprescriptionisintended​

 

 

 

to start.​

>Prior Treatment Dose​

(3010,0061)​

2​

Description of radiotherapy treatment previously delivered to the​

Description​

 

 

patient for the purpose of evaluation of prior dose.​

>Prior Treatment Reference​

(3010,0062)​

2​

References to SOP Instances representing prior treatments, e.g.​

Sequence​

 

 

for the purpose of extracting information about prior dose.​

 

 

 

Zero or more Items shall be included in this Sequence.​

>>IncludeTable10-11“SOPInstanceReferenceMacroAttributes”​

>Planning Input Information​

(3010,0076)​

2​

References to SOP Instances to be used during planning for the​

Sequence​

 

 

delivery of this prescription.​

 

 

 

When there are multiple Purposes of References, one Item will​

 

 

 

be included for each purpose.​

 

 

 

Zero or more Items shall be included in this Sequence.​

>>Include Table 10.37-1 “Related Information Entities Macro​

DCID 9510 “Purpose of Reference For RT Treatment Planning​

Attributes”​

 

 

Input”.​

>Prescription Notes​

(3010,007B)​

3​

Notes on this prescription, such as special provisions for this​

 

 

 

patient's treatment or other patient conditions.​

>Number of Fractions​

(3010,007D)​

3​

Number of Fractions in this prescription.​

>Intended Delivery Duration​

(3010,007E)​

3​

Number of days across which the fractions in this prescription will​

 

 

 

be delivered.​

>Fractionation Notes​

(3010,007F)​

3​

Notes describing the fractionation approach.​

>Delivery Time Structure​

(3010,0088)​

3​

Thetimestructure,i.e.fractionationtype,tobeusedforthedelivery​

Code Sequence​

 

 

of treatment.​

 

 

 

Zero or one Items shall be included in this Sequence.​

>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

BCID 9533 “Delivery Time Structure”​

>Include Table C.36.2.1.1-1 “Radiation Fraction Pattern Macro​

 

Attributes”​

 

 

 

>Treatment Technique Notes​

(3010,007A)​

3​

Notes on the treatment technique to be used.​

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DICOM PS3.3 2020a - Information Object Definitions​

Page 1635​

Attribute Name​

Tag​

Type​

Attribute Description​

 

>Radiotherapy Treatment​

(3010,0046)​

3​

Type of radiotherapy.​

 

Type​

 

 

Enumerated Values:​

 

 

 

 

 

 

 

 

TELETHERAPY​ Treatmentinwhichthesourceoftheradiation​

 

 

 

is at a distance from the body.​

 

 

 

 

BRACHYTHERAPY​Treatment in which the source of radiation is​

 

 

 

placed close to the surface of the body or​

 

 

 

within the body.​

 

>Teletherapy Radiation Type​

(3010,0047)​

3​

Type of Radiation used to deliver Teletherapy.​

 

 

 

 

Defined Terms:​

 

 

 

 

PHOTON​

 

 

 

 

NEUTRON​

 

 

 

 

ELECTRON​

 

 

 

 

ION​

 

 

 

 

Maybe present only if Radiotherapy Treatment Type (3010,9980)​

 

 

 

has a value of TELETHERAPY.​

 

>Brachytherapy Source Type​

(3010,0048)​

3​

Type of Source used to deliver Brachytherapy.​

 

 

 

 

Defined Terms:​

 

 

 

 

ISOTOPIC​

 

 

 

 

ELECTRONIC​

 

 

 

 

Maybe present only if Radiotherapy Treatment Type (3010,9980)​

 

 

 

has a value of BRACHYTHERAPY.​

 

>RT Treatment Technique​

(3010,0080)​

3​

Treatment technique to be used.​

 

Code Sequence​

 

 

One or more Items are permiited in this Sequence.​

 

 

 

 

 

>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 9524 “Radiotherapy Procedure Techniques”.​

 

>Patient Treatment​

(3010,0032)​

2​

Orientation of the Patient for the treatment.​

 

Orientation Sequence​

 

 

Zero or one Item shall be included in this Sequence.​

 

 

 

>>Patient Orientation Code​

(0054,0410)​

1​

Orientation of the patient with respect to gravity.​

 

Sequence​

 

 

See Section C.8.4.6.1.1 for further explanation.​

 

 

 

 

 

 

 

 

Only a single Item shall be included in this Sequence.​

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 19 “Patient Orientation”.​

 

>>>Patient Orientation​

(0054,0412)​

1C​

Sequence describing the orientation of the patient with respect to​

Modifier Code Sequence​

 

 

gravity.​

 

 

 

 

Required if needed to fully specify the orientation of the patient​

 

 

 

with respect to gravity.​

 

 

 

 

Only a single Item shall be included in this Sequence.​

>>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 20 “Patient Orientation Modifier”.​

 

>>Patient Equipment​

(3010,0030)​

1​

Orientation of the patient with respect to equipment.​

 

Relationship Code Sequence​

 

 

Only a single Item shall be included in this Sequence.​

 

 

 

 

 

 

See Section C.36.6.1.8.​

 

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”​

DCID 21 “Patient Equipment Relationship”.​

 

- Standard -​