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PatientMModule - Patient
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Acquisition ContextMModule - Image
Multi-frame Functional GroupsMModule - Image
(0008,0023) Content Date1Date
(0008,0033) Content Time1Time
(0020,0013) Instance Number1Integer String
(0020,0242) SOP Instance UID of Concatenation Source1CUnique Identifier
(0020,9161) Concatenation UID1CUnique Identifier
(0020,9162) In-concatenation Number1CUnsigned Short
(0020,9163) In-concatenation Total Number3Unsigned Short
(0020,9228) Concatenation Frame Offset Number1CUnsigned Long
(0022,0028) Stereo Pairs Present3Code String
(0028,0008) Number of Frames1Integer String
(0028,6010) Representative Frame Number3Unsigned Short
(5200,9229) Shared Functional Groups Sequence1Sequence
(0008,1140) Referenced Image Sequence2Sequence
(0008,9124) Derivation Image Sequence2Sequence
(0018,1006) Grid ID3Long String
(0018,7040) Grid Absorbing Material3Long Text
(0018,7041) Grid Spacing Material3Long Text
(0018,7042) Grid Thickness3Decimal String
(0018,7044) Grid Pitch3Decimal String
(0018,7046) Grid Aspect Ratio3Integer String
(0018,7048) Grid Period3Decimal String
(0018,704C) Grid Focal Distance3Decimal String
(0018,9341) Contrast/Bolus Usage Sequence1Sequence
(0018,9405) Positioner Position Sequence1Sequence
(0018,9407) Collimator Shape Sequence1Sequence
(0018,9412) XA/XRF Frame Characteristics Sequence1Sequence
(0018,9417) Frame Acquisition Sequence1Sequence
(0018,9432) Field of View Sequence1Sequence
(0018,9451) Frame Detector Parameters Sequence1Sequence
(0018,9455) Calibration Sequence1Sequence
(0018,9462) Isocenter Reference System Sequence1Sequence
(0018,9472) Frame Display Shutter Sequence1Sequence
(0018,9476) X-Ray Geometry Sequence1Sequence
(0018,9477) Irradiation Event Identification Sequence1Sequence
(0018,9541) Detector Position Sequence1Sequence
(0018,9542) X-Ray Acquisition Dose Sequence1Sequence
(0018,9555) X-Ray Grid Sequence1Sequence
(0018,9556) X-Ray Filter Sequence1Sequence
(0020,9071) Frame Anatomy Sequence1Sequence
(0020,9111) Frame Content Sequence1Sequence
(0018,9074) Frame Acquisition DateTime1CDate Time
(0018,9151) Frame Reference DateTime1CDate Time
(0018,9214) Respiratory Cycle Position3Code String
(0018,9220) Frame Acquisition Duration1CDouble
(0018,9236) Cardiac Cycle Position3Code String
(0020,9056) Stack ID1CShort String
(0020,9057) In-Stack Position Number1CUnsigned Long
(0020,9128) Temporal Position Index1CUnsigned Long
(0020,9156) Frame Acquisition Number3Unsigned Short
(0020,9157) Dimension Index Values1CUnsigned Long
(0020,9158) Frame Comments3Long Text
(0020,9453) Frame Label3Long String
(0028,9132) Frame VOI LUT Sequence1Sequence
(0028,9145) Pixel Value Transformation Sequence1Sequence
(0028,9443) Frame Pixel Data Properties Sequence1Sequence
(5200,9230) Per-Frame Functional Groups Sequence1CSequence
(7FE0,0003) Encapsulated Pixel Data Value Total Length3UV
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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.

Temporal Position Index Attribute

Tag(0020,9128)
TypeConditionally Required (1C)
KeywordTemporalPositionIndex
Value Multiplicity1
Value RepresentationUnsigned Long (UL)

Ordinal number (starting from 1) of the frame in the set of frames with different temporal positions.

Required if the value of SOP Class UID (0008,0016) equals "1.2.840.10008.5.1.4.1.1.130" or Functional MR Sequence (0018,9621) is present. May be present otherwise. See Section C.7.6.16.2.2.6 and Section C.7.6.16.2.2.8.

Note

Part of the Frame Content Functional Group Macro with usage: M

Section C.7.6.16.2.2.6

C.7.6.16.2.2.6 Temporal Position Index and Stack ID in PET images

For PET Dynamic images, i.e., images in which Image Type (0008,0008) Value 3 is DYNAMIC, Temporal Position Index is used to distinguish between the multiple acquisitions of the same anatomical area. Similarly, the frames that result from one acquisition over the anatomic area shall be contained in one stack. Thus, for Dynamic images, Temporal Position Index (0020,9128), Stack ID (0020,9056), and In-Stack Position Number (0020,9057) shall be used as three of the dimensions of the image, in that order.

Figure C.7.6.16-4b describes the usage for a PET dynamic image.

Figure C.7.6.16-4b. PET dynamic frame organization


Section C.7.6.16.2.2.8

C.7.6.16.2.2.8 Usage of Temporal Position Index, Stack ID and In-Stack Position Number in fMRI Volumes

For fMRI volumes the Temporal Position Index is used to distinguish between the multiple volumes acquired in time (phases of a volume) for the same Stack ID. Each frame in the volume has an In-Stack Position Number that is the ordinal number in space of each volume. See Figure C.7.6.16-4c for an example.

Figure C.7.6.16-4c. Example of Functional MRI volumes