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Page 596​

 

DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

Attribute Description​

Low R-R Value​

(0018,1081)​

2C​

R-R interval low limit for beat rejection, in ms.​

 

 

 

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Cardiac​

 

 

 

SynchronizationTechnique(0018,9037)equalsPROSPECTIVEorRETROSPECTIVE.​

 

 

 

OtherwisemaybepresentifImageType(0008,0008)Value1isDERIVEDandCardiac​

 

 

 

SynchronizationTechnique(0018,9037)equalsPROSPECTIVEorRETROSPECTIVE.​

High R-R Value​

(0018,1082)​

2C​

R-R interval high limit for beat rejection, in ms.​

 

 

 

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Cardiac​

 

 

 

SynchronizationTechnique(0018,9037)equalsPROSPECTIVEorRETROSPECTIVE.​

 

 

 

OtherwisemaybepresentifImageType(0008,0008)Value1isDERIVEDandCardiac​

 

 

 

SynchronizationTechnique(0018,9037)equalsPROSPECTIVEorRETROSPECTIVE.​

Intervals Acquired​

(0018,1083)​

2C​

Number of R-R intervals acquired and used to create the image (not including the​

 

 

 

intervals rejected).​

 

 

 

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Cardiac​

 

 

 

Synchronization Technique (0018,9037) equals other than NONE.​

 

 

 

OtherwisemaybepresentifImageType(0008,0008)Value1isDERIVEDandCardiac​

 

 

 

Synchronization Technique (0018,9037) equals other than NONE.​

Intervals Rejected​

(0018,1084)​

2C​

Number of R-R intervals rejected.​

 

 

 

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Cardiac​

 

 

 

Synchronization Technique (0018,9037) equals other than NONE.​

 

 

 

OtherwisemaybepresentifImageType(0008,0008)Value1isDERIVEDandCardiac​

 

 

 

Synchronization Technique (0018,9037) equals other than NONE.​

Skip Beats​

(0018,1086)​

3​

Number of beats prescribed to be skipped after each detected arrhythmia.​

Cardiac Framing​

(0018,1064)​

1C​

Description of type of framing performed. See Section C.7.6.18.1.1.1 for description​

Type​

 

 

and Defined Terms.​

Required if type of framing is not time forward from trigger, may be present otherwise.​

Note​

LowR-RValue(0018,1081),HighR-RValue(0018,1082),IntervalsAcquired(0018,1083)andIntervalsRejected(0018,1084)​ inthisModuleapplytotheentireImage.TheCardiacSynchronizationSequence(0018,9118)intheCardiacSynchronization​ Functional Group uses the same Attributes and specifies the values for a single frame.​

C.7.6.18.1.1 Attribute Descriptions​

C.7.6.18.1.1.1 Cardiac Framing Type​

Cardiac Framing Type (0018,1064) is the mechanism used to select the data acquired to construct the frames within a specified​ cardiac timing interval.​

Defined Terms:​

FORW​time forward from trigger​

BACK​time back before trigger​

PCNT​percentage of R-R forward from trigger​

C.7.6.18.2 Respiratory Synchronization Module​

Table C.7.6.18-2 specifies the Attributes of the Respiratory Synchronization Module.​

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DICOM PS3.3 2020a - Information Object Definitions​ Page 597​

Table C.7.6.18-2. Respiratory Synchronization Module Attributes​

Attribute Name​

Tag​

Type​

 

 

Attribute Description​

Respiratory Motion​

(0018,9170)​

1C​

Applied technique to reduce respiratory motion artifacts.​

Compensation​

 

 

Defined Terms:​

 

Technique​

 

 

 

 

 

 

NONE​

 

 

 

 

 

BREATH_HOLD​

Image acquisition shorter than respiratory cycle​

 

 

 

REALTIME​

 

 

 

 

GATING​

 

Prospective gating​

 

 

 

TRACKING​

 

Prospective through-plane or in-plane motion tracking​

 

 

 

PHASE_ORDERING​ Prospective phase ordering​

 

 

 

PHASE_RESCANNING​Prospective techniques, such as real-time averaging,​

 

 

 

 

 

diminishing variance and motion adaptive gating​

 

 

 

RETROSPECTIVE​

Retrospective gating​

 

 

 

CORRECTION​

Retrospective image correction​

 

 

 

RequiredifImageType(0008,0008)Value1isORIGINALorMIXED.Maybepresent​

 

 

 

otherwise.​

 

 

Respiratory Signal​

(0018,9171)​

1C​

Signal source from which respiratory motion is derived.​

Source​

 

 

Defined Terms:​

 

 

 

 

 

 

 

 

NONE​

includesvariousdevicesthatdetectortrackexpansionofthechest​

 

 

 

BELT​

 

 

 

NASAL_PROBE​

 

 

 

 

 

CO2_SENSOR​

MR navigator and organ edge detection​

 

 

 

NAVIGATOR​

 

 

 

MR_PHASE​

phase (of center k-space line)​

 

 

 

ECG​

baseline demodulation of the ECG​

 

 

 

RequiredifImageType(0008,0008)Value1isORIGINALorMIXEDandRespiratory​

 

 

 

Motion Compensation Technique (0018,9170) equals other than NONE.​

 

 

 

Otherwise may be present if Image Type (0008,0008) Value 1 is DERIVED and​

 

 

 

Respiratory Motion Compensation Technique (0018,9170equals other than NONE.​

Respiratory Trigger​

(0020,9256)​

1C​

Respiratorytriggerthresholdinpercentofthechestexpansionfortheframerelative​

Delay Threshold​

 

 

to the last Respiratory-Peak. See Section C.7.6.16.2.17.1 for further explanation.​

 

 

 

Required if Respiratory Motion Compensation Technique (0018,9170) equals other​

 

 

 

than NONE, REALTIME or BREATH_HOLD and if Image Type (0008,0008) Value​

 

 

 

1 is ORIGINAL or MIXED. May be present otherwise.​

Respiratory Trigger​

(0020,9250)​

1C​

Characteristic of the respiratory signal used to the define the respiratory triggering.​

Type​

 

 

Defined Terms:​

 

 

 

 

 

TIME​

AMPLITUDE​

BOTH​

Required if the value is not TIME, may be present otherwise.​

C.7.6.18.3 Bulk Motion Synchronization Module​

Table C.7.6.18-3 specifies the Attributes of the Bulk Motion Synchronization Module.​

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Page 598​

DICOM PS3.3 2020a - Information Object Definitions​

Table C.7.6.18-3. Bulk Motion Synchronization Module Attributes​

Attribute Name​

Bulk Motion​

Compensation​

Technique​

Tag​

Type​

Attribute Description​

(0018,9172)​

1C​ Applied technique to reduce bulk or other physiology motion artifacts.​

 

Defined Terms:​

 

 

NONE​

image acquisition shorter than motion cycle​

 

REALTIME​

 

GATING​

prospective gating​

 

TRACKING​

prospective through and/or in-plane motion tracking​

 

RETROSPECTIVE​retrospective gating​

 

CORRECTION​

retrospective image correction​

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be​ present otherwise.​

Bulk Motion Signal​

(0018,9173)​ 1C​ Signal source to measure motion.​

Source​

Defined Terms:​

 

 

JOINT​

joint motion detection​

NAVIGATOR​MR navigator and organ edge detection​

MR_PHASE​phase (of center k-space line)​

Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Bulk​

Motion Compensation Technique (0018,9172) equals other than NONE.​

Otherwise may be present if Image Type (0008,0008) Value 1 is DERIVED and​

Bulk Motion Compensation Technique (0018,9172) equals other than NONE.​

C.7.6.19 Supplemental Palette Color Lookup Table Module​

This Module is used in conjunction with Multi-frame IODs that use RGB color in a number of frames. The value of Pixel Presentation​ (0008,9205) for such frames equals COLOR.​

Table C.7.6.19-1 specifies the Attributes that describe the Lookup table data.​

Table C.7.6.19-1. Supplemental Palette Color Lookup Table Module Attributes​

Attribute Name​

Tag​

Type​

Attribute Description​

Red Palette Color Lookup Table​

(0028,1101)​

1​ Specifies the format of the Red Palette Color Lookup Table​

Descriptor​

 

 

Data (0028,1201). See Section C.7.6.3.1.5 for further​

 

 

 

explanation.​

Green Palette Color Lookup Table​

(0028,1102)​

1​ SpecifiestheformatoftheGreenPaletteColorLookupTable​

Descriptor​

 

 

Data (0028,1202). See Section C.7.6.3.1.5 for further​

 

 

 

explanation.​

Blue Palette Color Lookup Table​

(0028,1103)​

1​ Specifies the format of the Blue Palette Color Lookup table​

Descriptor​

 

 

Data (0028,1203). See Section C.7.6.3.1.5 for further​

 

 

 

explanation.​

Red Palette Color Lookup Table Data​

(0028,1201)​

1​ Red Palette Color Lookup Table Data. See​

 

 

 

Section C.7.6.3.1.6 for further explanation.​

Green Palette Color Lookup Table​

(0028,1202)​

1​ Green Palette Color Lookup Table Data. See​

Data​

 

 

Section C.7.6.3.1.6 for further explanation.​

Blue Palette Color Lookup Table Data​

(0028,1203)​

1​ Blue Palette Color Lookup Table Data. See​

 

 

 

Section C.7.6.3.1.6 for further explanation.​

- Standard -​

DICOM PS3.3 2020a - Information Object Definitions​

Page 599​

C.7.6.20 Patient Orientation Module​

ThissectiondescribesAttributesofthePatientOrientationModulebydescribingthepatientorientationrelatedtogravityandequipment.​ Table C.7.6.20-1 contains IOD Attributes that describe the Patient Orientation.​

Table C.7.6.20-1. Patient Orientation Module Attributes​

Attribute Name​ Tag​ Type​ Attribute Description​

Include Table 10-15 “Patient Orientation Macro Attributes”​

C.7.6.21 Image - Equipment Coordinate Relationship Module​

This section describes the Image - Equipment Coordinate Relationship Module. Table C.7.6.21-1 contains the Attributes that specify​ how the equipment (e.g., gantry) and patient oriented coordinate system (in conjunction with Image Position (Patient) (0020,0032)​ and Image Orientation (Patient) (0020,0037) Attributes) are related.​

Table C.7.6.21-1. Image - Equipment Coordinate Relationship Module Attributes​

Attribute Name​

Tag​

Type​

Attribute Description​

Image to Equipment Mapping​

(0028,9520)​

1​ A4x4rigidtransformationmatrixthatmapspatientcoordinatespace​

Matrix​

 

 

of the reconstructed image to the equipment defined original​

 

 

 

coordinatespace.Matrixelementsshallbelistedinrow-majororder.​

 

 

 

See Section C.7.6.21.1.​

Equipment Coordinate System​

(0028,9537)​

1​ Identification of the type of equipment coordinate system in which​

Identification​

 

 

the projection images were acquired. See Section C.7.6.21.2.​

Defined Terms:​

ISOCENTER​

C.7.6.21.1 Image to Equipment Mapping Matrix​

The Image to Equipment Mapping Matrix (0028,9520) is used to describe the relationship between the patient oriented coordinate​ system and a modality specific equipment coordinate system. This mapping can only be used with systems that have a well-defined​ equipment coordinate system (such as XA, etc.).​

TheImagetoEquipmentMappingMatrixAMB describeshowtotransformapoint(Bx,By,Bz)withrespecttothePatient-BasedCoordinate​ System into (Ax,Ay,Az) with respect to the equipment coordinate system according to the equation below.​

A M

M

12

M

13

Tx B

 

x 11

 

 

x

(C.7.6.21.1-​

Ay = M21

M22

M23

Ty By

Az

M31

M32

M33

Tz Bz

1)​

1

0

0

0 1 1

 

The Image to Equipment Mapping Matrix is a rigid transformation that involves only translations and rotations. Mathematically, the​ matrix shall be orthonormal and can describe six degrees of freedom: three translations, and three rotations.​

Note​

Both the Patient-Based Coordinate System and the Equipment-Based Coordinate System are expressed in millimeters.​

C.7.6.21.2 Equipment Coordinate System Identification​

The Equipment Coordinate System Identification (0028,9537) identifies the Reference Coordinate System to which the Image to​ Equipment Mapping Matrix (0028,9520) is related.​

The Defined Term ISOCENTER refers to a coordinate reference system where the origin corresponds with the center of rotation of​ the projections.​

- Standard -​

Page 600​

DICOM PS3.3 2020a - Information Object Definitions​

C.7.6.22 Specimen Module​

Table C.7.6.22-1 specifies the Attributes that identify one or more Specimens being imaged.​

Table C.7.6.22-1. Specimen Module Attributes​

Attribute Name​ Tag​ Type​ Attribute Description​

Include Table C.7.6.22-2 “Specimen Macro Attributes”​

Table C.7.6.22-2. Specimen Macro Attributes​

Attribute Name​

Tag​

Type​

Attribute Description​

Container Identifier​

(0040,0512)​

1​

Theidentifierforthecontainerthatcontainsthespecimen(s)​

 

 

 

being imaged. See Section C.7.6.22.1.1.​

Issuer oftheContainer Identifier​

(0040,0513)​

2​

Organization that assigned the Container Identifier.​

Sequence​

 

 

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

 

 

 

>Include Table 10-17 “HL7v2 Hierarchic Designator Macro Attributes”​

 

Alternate Container Identifier​

(0040,0515)​

3​

Sequence of alternate identifiers for the container that​

Sequence​

 

 

contains the specimen(s) being imaged. These may have​

 

 

 

been assigned, e.g., by the manufacturer, or by another​

 

 

 

institution that collected the specimen. One or more Items​

 

 

 

are permitted in this Sequence.​

>Container Identifier​

(0040,0512)​

1​

Theidentifierforthecontainerthatcontainsthespecimen(s)​

 

 

 

being imaged.​

>Issuer of the Container​

(0040,0513)​

2​

Organization that assigned the Container Identifier.​

Identifier Sequence​

 

 

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

 

 

 

>>Include Table 10-17 “HL7v2 Hierarchic Designator Macro Attributes”​

ContainerTypeCodeSequence​

(0040,0518)​

2​

Type of container that contains the specimen(s) being​

 

 

 

imaged.​

 

 

 

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

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

 

BCID 8101 “Container Types”.​

Container Description​

(0040,051A)​

3​

Description of the container.​

ContainerComponentSequence​

(0040,0520)​

3​

Description of one or more components of the container​

 

 

 

(e.g., description of the slide and of the coverslip).​

 

 

 

One or more Items are permitted in this Sequence.​

>Container Component Type​

(0050,0012)​

1​

Type of container component.​

Code Sequence​

 

 

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

 

 

 

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

 

BCID 8102 “Container Component Types”.​

>Manufacturer​

(0008,0070)​

3​

Manufacturer of the container component.​

>Manufacturer's Model Name​

(0008,1090)​

3​

Manufacturer's model name of the container component.​

>Container Component ID​

(0050,001B)​

3​

Manufacturer's identifier of the container component, e.g.,​

 

 

 

Lot Number and/or Version.​

>Container Component Length​

(0050,001C)​

3​

Length in mm of container component.​

>Container Component Width​

(0050,0015)​

3​

Width in mm of container component.​

>Container Component​

(0050,001D)​

3​

Diameter in mm of container component for cylindrical or​

Diameter​

 

 

circular components.​

- Standard -​

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