Материал: part03
DICOM PS3.3 2020a - Information Object Definitions |
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WALL_TO_SEPTUMLateral Wall to Septum
Note
The conditions on the choice of Enumerated Values are relatively general, rather than specific to a single coded view, in order to accommodate the echocardiography views defined in CID 12226 “Echocardiography Image View” in PS3.16, in addition to the views for CT, MR, NM and PET defined in CID 26 “Nuclear Medicine Projections” in PS3.16.
10.21 Optional View and Slice Progression Direction Macro
Table 10-25 specifies the Attributes that describe the view, and in the case of cardiac views, the direction of the slices relative to the cardiac anatomy.
Table 10-25. Optional View and Slice Progression Direction Macro Attributes
Attribute Name |
Tag |
Type |
Attribute Description |
View Code Sequence |
(0054,0220) |
3 |
Sequence that describes the projection of the anatomic |
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region of interest. |
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Only a single Item is permitted in this Sequence. |
>Include Table 8.8-1 “Code Sequence Macro Attributes” |
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BCID 26 “Nuclear Medicine Projections” unless otherwise |
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specified in invocation. |
>View Modifier Code |
(0054,0222) |
3 |
View Modifier. |
Sequence |
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One or more Items are permitted in this Sequence. |
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>>Include Table 8.8-1 “Code Sequence Macro Attributes” |
BCID 23 “Cranio-Caudad Angulation” unless otherwise |
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specified in invocation. |
Slice Progression Direction |
(0054,0500) |
3 |
Describes the anatomical direction in which a set of slices |
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is progressing (see Section 10.20.1.1). Meaningful only for |
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cardiac images. |
Enumerated Values are defined in Section 10.20.1.1.
10.22 Numeric Value Macro
Table 10-26 describes the Attributes used to relate and convey a numeric value to a coded concept.
Table 10-26. Numeric Value Macro Attributes
Attribute Name |
Tag |
Type |
Attribute Description |
Concept Name Code Sequence |
(0040,A043) |
1 |
Coded concept name of this name-value Item. |
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Only a single Item shall be included in this |
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Sequence. |
>Include Table 8.8-1 “Code Sequence Macro Attributes” |
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No Context ID is defined. |
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Numeric Value |
(0040,A30A) |
1 |
Numeric value for this name-value Item. |
Measurement Units Code |
(0040,08EA) |
1 |
Units of Numeric Value (0040,A30A) in this |
Sequence |
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name-value Item. |
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Only a single Item shall be included in this |
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Sequence. |
>Include Table 8.8-1 “Code Sequence Macro Attributes” |
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DCID 82 “Units of Measurement”. |
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Page 172 DICOM PS3.3 2020a - Information Object Definitions
10.23 RT Equipment Correlation Macro
Table 10-27. RT Equipment Correlation Macro Attributes Description
Attribute Name |
Tag |
Type |
Attribute Description |
Patient Support Angle |
(300A,0122) |
3 Patient Support angle, i.e., orientation of IEC PATIENT SUPPORT |
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coordinate system with respect to IEC FIXED REFERENCE |
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coordinate system (degrees). |
Table Top Pitch Angle |
(300A,0140) |
3 Table Top Pitch Angle, i.e., the rotation of the IEC TABLE TOP |
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coordinate system about the X-axis of the IEC TABLE TOP |
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coordinate system (degrees). See Section C.8.8.25.6.2. |
Table Top Roll Angle |
(300A,0144) |
3 Table Top Roll Angle, i.e., the rotation of the IEC TABLE TOP |
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coordinate system about the Y-axis of the IEC TABLE TOP |
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coordinate system (degrees). See Section C.8.8.25.6.2. |
Table Top Longitudinal |
(300A,0129) |
3 Table Top Longitudinal position in IEC TABLE TOP coordinate |
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Position |
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system (mm). |
Table Top Lateral Position |
(300A,012A) |
3 Table Top Lateral position in IEC TABLE TOP coordinate system |
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(mm). |
10.24 Device Motion Control Macro
Table 10-28 specifies the Attributes that describe requirements on performing the movement of a device from an actual to a desired position.
Table 10-28. Device Motion Control Macro Attributes Description
Attribute Name |
Tag |
Type |
Attribute Description |
DeviceMotionControlSequence |
(300A,0450) |
3 |
DeviceMotionControlDefinitionsforeachdegreeoffreedom. |
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One or more Items are permitted in this Sequence. |
>DeviceMotionParameterCode |
(300A,0453) |
1 |
The parameter for which the Device Motion Control shall be |
Sequence |
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applied. |
>>Include Table 8.8-1 “Code Sequence Macro Attributes” |
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DCID 9401 “IEC61217 Device Position Parameters” |
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>Device Motion Execution Mode |
(300A,0451) |
1C |
Permitted Motion Execution Mode for movement. |
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Required if Device Motion Observation Mode (300A,0452) |
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is absent. May be present otherwise. |
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See Section 10.24.1.1. |
>Device Motion Observation |
(300A,0452) |
1C |
Required Motion Observation Mode for movement. |
Mode |
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Required if Device Motion Execution Mode (300A,0451) is |
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absent. May be present otherwise. |
See Section 10.24.1.2.
10.24.1 Device Motion Control Macro Attributes
10.24.1.1 Device Motion Execution Mode
Device Motion Execution Mode (300A,0451) identifies how the operator invokes and controls the motion.
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DICOM PS3.3 2020a - Information Object Definitions |
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Enumerated Values:
CONTINUOUSThe device must be moved while the operator is activating one or more switches on the machine during the whole period of movement to prevent any uncontrolled movement.
TRIGGEREDThe device can be moved automatically to the desired position, triggered by a one-time command of the operator, without the need to constantly activate any switch.
AUTOMATICThe device movement can be initiated and performed automatically by the device to the desired position.
10.24.1.2 Device Motion Observation Mode
Device Motion Observation Mode (300A,0452) describes the presence of the operator in the room, observing the motion.
Enumerated Values:
INROOMThe movement of the device is only allowed when the operator is present in the treatment room.
REMOTEThe device can be moved by a command of the operator not being present in the treatment room, that is, from a device outside the treatment room.
10.25 Attribute Value Constraint Macro
Table 10.25-1 allows an Attribute to be identified and to have constraints placed on acceptable values for that Attribute. An Attribute being constrained is refered to in the Macro as a Selector Attribute.
Note
1.This Macro does not handle mutual constraints between multiple Attributes. For example constraining the ratio between twoAttributestoaspecificvalueisnotpossibleunlessthereisathirdAttributethatencodesthatratiosothethirdAttribute could then be constrained.
2.TheSOPInstancecontainingthisMacrodefinesthepurposeoftheconstraints,whichmayincludeconstrainingAttribute values in other SOP Instances.
Table 10.25-1. Attribute Value Constraint Macro Attributes
Attribute Name |
Tag |
Type |
Attribute Description |
Include Table 10-20a “Extended Selector Attribute Macro
Attributes”
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Attribute Name |
Tag |
Type |
Attribute Description |
Constraint Type |
(0082,0032) |
1 |
Describes how the value(s) specified in the Constraint Value Sequence |
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(0082,0034)shallbeusedtodeterminetheacceptabilityofagivenvalue |
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for the Attribute identified by Selector Attribute (0072,0026) |
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See Section 10.25.1. |
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Enumerated Values: |
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RANGE_INCL |
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RANGE_EXCL |
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GREATER_OR_EQUAL |
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LESS_OR_EQUAL |
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GREATER_THAN |
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LESS_THAN |
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EQUAL |
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MEMBER_OF |
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NOT_MEMBER_OF |
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MEMBER_OF_CID |
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UNCONSTRAINED |
Constraint Violation |
(0082,0036) |
3 |
Level of significance of a Selector Attribute value exceeding this |
Significance |
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constraint. |
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See Section 10.25.2. |
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Enumerated Values: |
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FAILURE |
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WARNING |
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INFORMATIVE |
Constraint Violation |
(0082,0037) |
1C |
Conditionality of the constraint violation significance. If the condition is |
Condition |
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not met, the violation has no significance. |
Theconditionmaybeexpressedasamathematicalexpression,ahuman readable text or other form.
Required if Constraint Violation Significance (0082,0036) is only significant under certain conditions.
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Attribute Name |
Tag |
Type |
Attribute Description |
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Constraint Value |
(0082,0034) |
1C |
Value(s) used to constrain the contents of the Attribute referenced by |
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Sequence |
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the Selector Attribute (0072,0026). |
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Required if Constraint Type (0082,0032) is not UNCONSTRAINED.
If the Constraint Type (0082,0032) is GREATER_OR_EQUAL,
LESS_OR_EQUAL, GREATER_THAN, LESS_THAN, EQUAL or
MEMBER_OF_CIDonlyasingleItemshallbeincludedinthisSequence.
If the Constraint Type (0082,0032) is RANGE_INCL or RANGE_EXCL, exactly two Items shall be included in this Sequence, the first of which is less than or equal to the second.
If the Constraint Type (0082,0032) is MEMBER_OF or
NOT_MEMBER_OF, one or more Items shall be included in this
Sequence.
>Include Table 10.26-1 “Attribute Value Macro Attributes” Any sub-Sequences in the Constraint Value Sequence (0082,0034) shall only contain one Item.
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Any Attribute in the Sequence Item(s) shall contain a single value. |
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If Constraint Type (0082,0032) is MEMBER_OF_CID, this shall be a |
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Selector UI Value (0072,007F), despite the Selector Attribute VR |
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(0072,0050) being SQ. |
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See Section 10.25.1.1 |
Recommended Default |
(0082,0035) |
3 |
Contains a default value for the contents of the Selector Attribute |
Value Sequence |
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(0072,0026). |
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Only a single Item is permitted in this Sequence. |
>Include Table 10.26-1 “Attribute Value Macro Attributes” |
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MeasurementUnitsCode |
(0040,08EA) |
3 |
Units of measurement for the values in the Item(s) in the Constraint |
Sequence |
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Value Sequence (0082,0034) and the Recommended Default Value |
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Sequence (0082,0035). |
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Only a single Item is permitted in this Sequence. |
>Include Table 8.8-1 “Code Sequence Macro Attributes” |
BCID 82 “Units of Measurement”. |
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Specification Selection |
(0082,0033) |
3 |
Brief guidance that a human operator may consider when selecting an |
Guidance |
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appropriate value for the Selector Attribute (0072,0026) within the |
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constraints defined. |
10.25.1 Constraint Type
The use of the specified value(s) in the Constraint Value Sequence (0082,0034) to constrain the value of the Attribute referenced by the Selector Attribute (0072,0026) shall depend on the value of Constraint Type (0082,0032) as follows:
RANGE_EXCL the value is constrained to lie outside (i.e., not between) the specified values
GREATER_OR_EQUALthe value is constrained to be greater than or equal to the specified value
LESS_OR_EQUAL the value is constrained to be less than or equal to the specified value
GREATER_THAN the value is constrained to be greater than the specified value
LESS_THAN the value is constrained to be less than the specified value
EQUAL |
the value is constrained to be equal to the specified value |
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