DICOM PS3.17 2021b - Explanatory Information

AAAA.3.2 Acme (Current)
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### AAAA.3.2 Acme

The first part of this example is shown above in Table AAAA.3-2.

The anatomical extent is defined in the reconstruction to represent the dataset of interest to the clinical trial. The extent was not defined in the localizer or acquisition. Sites are welcome to reflect their local practice in the localizer and acquisition extent as long as they permit production of the reconstruction as specified here.

Table AAAA.3-2. CT Tumor Volumetric Measurement - Details - Acme

Attribute | Tag | Value
--- | --- | ---
Model Specification Sequence | (0018,9912) |
>Manufacturer | (0008,0070) | ACME
>Manufacturer's Related Model Group | (0008,0222) | Ultimate
>Software Versions | (0018,1020) | V3.1
Acquisition Protocol Element Specification Sequence | (0018,991F) |
>Protocol Element Number | (0018,9921) | 1
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.3-2a First Acquisition Protocol Element Specification
>Protocol Element Number | (0018,9921) | 2
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.3-2b “Second Acquisition Protocol Element Specification”
Reconstruction Protocol Element Specification Sequence | (0018,9933) |
>Protocol Element Number | (0018,9921) | 1
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.3-2c “First Reconstruction Protocol Element Specification”

The following tables reflect the semantic contents of constraint sequences but not the actual structure of the IOD. The centered rows in italics clarify the context of the constrained Attributes that follow by indicating which sequence in the performed module contains the constrained Attribute (as specified in the Selector Sequence Pointer).

Table AAAA.3-2a. First Acquisition Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Acquisition Protocol Element Sequence (0018,9920)
Protocol Element Name | (0018,9922) | 1 | (0018,9920) | 1 | EQUAL | Localizer: Lateral
Acquisition Type | (0018,9302) | 1 | (0018,9920) | 1 | EQUAL | CONSTANT_ANGLE
Tube Angle | (0018,9303) | 1 | (0018,9920) | 1 | EQUAL | 90
Acquisition Motion | (0018,9930) | 1 | (0018,9920) | 1 | EQUAL | FORWARD
>CT X-Ray Details Sequence (0018,9325) - First Beam
Beam Number | (300A,00C0) | 1 | (0018,9920), (0018,9325) | 1\1 | EQUAL | 1
KVP | (0018,0060) | 1 | (0018,9920), (0018,9325) | 1\1 | EQUAL | 120
X-ray Tube Current in mA | (0018,9330) | 1 | (0018,9920), (0018,9325) | 1\1 | EQUAL | 50

Table AAAA.3-2b. Second Acquisition Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Acquisition Protocol Element Sequence (0018,9920)
Protocol Element Name | (0018,9922) | 1 | (0018,9920) | 2 | EQUAL | Helical
Acquisition Type | (0018,9302) | 1 | (0018,9920) | 2 | EQUAL | SPIRAL
Revolution Time | (0018,9305) | 1 | (0018,9920) | 2 | EQUAL | 0.5
Single Collimation Width | (0018,9306) | 1 | (0018,9920) | 2 | EQUAL | 0.75
Total Collimation Width | (0018,9307) | 1 | (0018,9920) | 2 | EQUAL | 48
Table Speed | (0018,9309) | 1 | (0018,9920) | 2 | EQUAL | 27
>CT X-Ray Details Sequence (0018,9325) - First Beam
Beam Number | (300A,00C0) | 1 | (0018,9920), (0018,9325) | 2\1 | EQUAL | 1
KVP | (0018,0060) | 1 | (0018,9920), (0018,9325) | 2\1 | EQUAL | 120
Exposure in mAs | (0018,9332) | 1 | (0018,9920), (0018,9325) | 2\1 | RANGE_INCL | 100, 260
Respiratory Motion Compensation Technique | (0018,9170) | 1 | (0018,9920), (0018,9325) | 2\1 | EQUAL | BREATH_HOLD

Table AAAA.3-2c. First Reconstruction Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Reconstruction Protocol Element Sequence (yym8, m9x1)
Protocol Element Name | (0018,9922) | 1 | (0018,9934) | 1 | EQUAL | "Transverse"
Source Acquisition Protocol Element Number | (0018,9938) | 1 | (0018,9934) | 1 | EQUAL | 2
Source Acquisition Beam Number | (0018,9939) | 1 | (0018,9934) | 1 | EQUAL | 1
Reconstruction Algorithm | (0018,9315) | 1 | (0018,9934) | 1 | EQUAL | FILTER_BACK_PROJ
Convolution Kernel | (0018,1210) | 1 | (0018,9934) | 1 | EQUAL | "B1"
Convolution Kernel Group | (0018,9316) | 1 | (0018,9934) | 1 | EQUAL | "LUNG"
Reconstruction Pixel Spacing | (0018,9322) | 1 | (0018,9934) | 1 | RANGE_INCL | 0.55, 0.75
Slice Thickness | (0018,0050) | 1 | (0018,9934) | 1 | EQUAL | 1.0
Spacing Between Slices | (0018,0088) | 1 | (0018,9934) | 1 | EQUAL | 1.0
>Reconstruction Start Location Sequence (0018,993B)
Reference Location Label | (0018,9900) | 1 | (0018,9934), (0018,993B) | 1\1 | EQUAL | "Top of Shoulders"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9934), (0018,993B) | 1\1 | EQUAL | (16982005, SCT, "Shoulder region structure")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9934), (0018,993B) | 1\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
>Reconstruction End Location Sequence (0018,993C)
Reference Location Label | (0018,9900) | 1 | (0018,9934), (0018,993C) | 1\1 | EQUAL | "Mid-liver"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9934), (0018,993C) | 1\1 | EQUAL | (10200004, SCT, "Liver")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9934), (0018,993C) | 1\1 | EQUAL | (128130, DCM, "Plane through Center")

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DICOM PS3.17 2021b - Explanatory Information