DICOM PS3.17 2019a - Explanatory Information

AAAA.2.3 Acme (Current)
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### AAAA.2.3 Acme

The first part of this example is shown above in Table AAAA.2-1.

### Note

1. The author of this protocol chose to use the code for the vertex of the head rather than the skull as the basis for the plane defining the extent of the scan and reconstructions.

2. The Requested Series Description (0018,9937) is the same for both localizer acquisitions, however DICOM does not mandate series organization behavior so this does not guarantee that both localizers will be placed in the same series.

Table AAAA.2-3. AAPM Routine Brain Details - Acme

Attribute | Tag | Value
--- | --- | ---
Model Specification Sequence | (0018,9912) |
>Manufacturer | (0008,0070) | ACME
>Manufacturer's Model Name | (0008,1090) | Alpha
>Software Versions | (0018,1020) | V1.63\1.70
>Manufacturer | (0008,0070) | ACME
>Manufacturer's Model Name | (0008,1090) | Alpha Plus
>Software Versions | (0018,1020) | V1.63\1.70
Patient Specification Sequence | (0018,9911) |
>See Table AAAA.2-3a “Patient Specification”
Acquisition Protocol Element Specification Sequence | (0018,991F) |
>Protocol Element Number | (0018,9921) | 1
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3b “First Acquisition Protocol Element Specification”
>Protocol Element Number | (0018,9921) | 2
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3c “Second Acquisition Protocol Element Specification”
>Protocol Element Number | (0018,9921) | 3
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3d “Third 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.2-3e “First Reconstruction Protocol Element Specification”
>Protocol Element Number | (0018,9921) | 2
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3f “Second Reconstruction Protocol Element Specification”
Storage Protocol Element Specification Sequence | (0018,9935) |
>Protocol Element Number | (0018,9921) | 1
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3g “First Storage Protocol Element Specification”
>Protocol Element Number | (0018,9921) | 2
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3h “Second Storage Protocol Element Specification”
>Protocol Element Number | (0018,9921) | 3
>Parameters Specification Sequence | (0018,9913) |
>>See Table AAAA.2-3i “Third Storage 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.2-3a. Patient Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Patient's Age | (0010,1010) | 1 | absent | absent | GREATER_THAN | "16Y"

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

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Acquistion Protocol Element Sequence (yym8, m9x1)
Protocol Element Name | (0018,9922) | 1 | (0018,9920) | 1 | EQUAL | Localizer: Lateral
Content Qualification | (0018,9004) | 1 | (0018,9934) | 1 | EQUAL | PRODUCT
Requested Series Description | (0018,9937) | 1 | (0018,9934) | 1 | EQUAL | "Localizers"
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
>Acquisition Start Location Sequence (0018,9931)
Reference Location Label | (0018,9900) | 1 | (0018,9920), (0018,9931) | 1\1 | EQUAL | "Top of Head"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9920), (0018,9931) | 1\1 | EQUAL | (T-D1120, SRT, "Vertex of Head")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9920), (0018,9931) | 1\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
>Acquisition End Location Sequence (0018,9932)
Reference Location Label | (0018,9900) | 1 | (0018,9920), (0018,9932) | 1\1 | EQUAL | "Bottom of 256mm Localizer"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9920), (0018,9932) | 1\1 | EQUAL | (T-D1120, SRT, "Vertex of Head")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9920), (0018,9932) | 1\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
Offset Distance | (0018,9904) | 1 | (0018,9920), (0018,9932) | 1\1 | EQUAL | 256
Offset Direction | (0018,9905) | 1 | (0018,9920), (0018,9932) | 1\1 | EQUAL | INFERIOR
>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.2-3c. Second Acquisition Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Acquistion Protocol Element Sequence (yym8, m9x1)
Protocol Element Name | (0018,9922) | 1 | (0018,9920) | 2 | EQUAL | Localizer: AP
Content Qualification | (0018,9004) | 1 | (0018,9934) | 2 | EQUAL | PRODUCT
Requested Series Description | (0018,9937) | 1 | (0018,9934) | 2 | EQUAL | "Localizers"
Acquisition Type | (0018,9302) | 1 | (0018,9920) | 2 | EQUAL | CONSTANT_ANGLE
Tube Angle | (0018,9303) | 1 | (0018,9920) | 2 | EQUAL | 0
Acquisition Motion | (0018,9930) | 1 | (0018,9920) | 2 | EQUAL | FORWARD
>Acquisition Start Location Sequence (0018,9931)
Reference Location Label | (0018,9900) | 1 | (0018,9920), (0018,9931) | 2\1 | EQUAL | "Top of Head"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9920), (0018,9931) | 2\1 | EQUAL | (T-D1120, SRT, "Vertex of Head")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9920), (0018,9931) | 2\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
>Acquisition End Location Sequence (0018,9932)
Reference Location Label | (0018,9900) | 1 | (0018,9920), (0018,9932) | 2\1 | EQUAL | "Bottom of 256mm Localizer"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9920), (0018,9932) | 2\1 | EQUAL | (T-D1120, SRT, "Vertex of Head")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9920), (0018,9932) | 2\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
Offset Distance | (0018,9904) | 1 | (0018,9920), (0018,9932) | 2\1 | EQUAL | 256
Offset Direction | (0018,9905) | 1 | (0018,9920), (0018,9932) | 2\1 | EQUAL | INFERIOR
>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
X-ray Tube Current in mA | (0018,9330) | 1 | (0018,9920), (0018,9325) | 2\1 | EQUAL | 50

Table AAAA.2-3d. Third Acquisition Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Acquistion Protocol Element Sequence (yym8, m9x1)
Protocol Element Name | (0018,9922) | 1 | (0018,9920) | 3 | EQUAL | Helical
Content Qualification | (0018,9004) | 1 | (0018,9934) | 3 | EQUAL | PRODUCT
Requested Series Description | (0018,9937) | 1 | (0018,9934) | 3 | EQUAL | "Raw Data Brain"
Acquisition Type | (0018,9302) | 1 | (0018,9920) | 3 | EQUAL | SPIRAL
Revolution Time | (0018,9305) | 1 | (0018,9920) | 3 | EQUAL | 0.75
Single Collimation Width | (0018,9306) | 1 | (0018,9920) | 3 | EQUAL | 0.5
Total Collimation Width | (0018,9307) | 1 | (0018,9920) | 3 | EQUAL | 16
Table Speed | (0018,9309) | 1 | (0018,9920) | 3 | EQUAL | 14
Table Speed per Rotation | (0018,9310) | 1 | (0018,9920) | 3 | EQUAL | 10.5
Spiral Pitch Factor | (0018,9311) | 1 | (0018,9920) | 3 | EQUAL | 0.656
CTDIvol | (0018,9345) | 1 | (0018,9920) | 3 | EQUAL | 55.7
CTDI Phantom Type Code Sequence | (0018,9346) | 1 | (0018,9920) | 3 | EQUAL | (113690, DCM, "IEC Head Dosimetry Phantom")
CTDIvol Notification Trigger | (0018,9942) | 1 | (0018,9920) | 3 | EQUAL | 80
Acquisition Motion | (0018,9930) | 1 | (0018,9920) | 3 | EQUAL | FORWARD
>Acquisition Start Location Sequence (0018,9931)
Reference Location Label | (0018,9900) | 1 | (0018,9920), (0018,9931) | 3\1 | EQUAL | "C1 Lamina"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9920), (0018,9931) | 3\1 | EQUAL | (T-11610, SRT, "C1 vertebra")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9920), (0018,9931) | 3\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
>Acquisition End Location Sequence (0018,9932)
Reference Location Label | (0018,9900) | 1 | (0018,9920), (0018,9932) | 3\1 | EQUAL | "Top of Head"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9920), (0018,9932) | 3\1 | EQUAL | (T-D1120, SRT, "Vertex of Head")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9920), (0018,9932) | 3\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")
>CT X-Ray Details Sequence (0018,9325) - First Beam
Beam Number | (300A,00C0) | 1 | (0018,9920), (0018,9325) | 3\1 | EQUAL | 1
KVP | (0018,0060) | 1 | (0018,9920), (0018,9325) | 3\1 | EQUAL | 120
X-ray Tube Current in mA | (0018,9330) | 1 | (0018,9920), (0018,9325) | 3\1 | EQUAL | 220
Exposure Modulation Type | (0018,9323) | 1 | (0018,9920), (0018,9325) | 3\1 | EQUAL | NONE
Data Collection Diameter | (0018,0090) | 1 | (0018,9920), (0018,9325) | 3\1 | EQUAL | 240

Table AAAA.2-3e. 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"
Requested Series Description | (0018,9937) | 1 | (0018,9934) | 1 | EQUAL | "Transverse without Contrast"
Source Acquisition Protocol Element Number | (0018,9938) | 1 | (0018,9934) | 1 | EQUAL | 3
Source Acquisition Beam Number | (0018,9939) | 1 | (0018,9934) | 1 | EQUAL | 1
Convolution Kernel Group | (0018,9316) | 1 | (0018,9934) | 1 | EQUAL | "BRAIN"
Reconstruction Diameter | (0018,1100) | 1 | (0018,9934) | 1 | EQUAL | 240
Rows | (0028,0010) | 1 | (0018,9934) | 1 | EQUAL | 512
Columns | (0028,0011) | 1 | (0018,9934) | 1 | EQUAL | 512
Slice Thickness | (0018,0050) | 1 | (0018,9934) | 1 | EQUAL | 5
Spacing Between Slices | (0018,0088) | 1 | (0018,9934) | 1 | EQUAL | 5
>Reconstruction Algorithm Sequence (0018,993D)
Algorithm Name | (0066,0036) | 1 | (0018,9934) (0018,993D) | 1/1 | EQUAL | "Opti-Brain"
Algorithm Name Code Sequence | (0066,0030) | 1 | (0018,9934) (0018,993D) | 1/1 | EQUAL | (B506, 99ACME, "OptiBrain")
>Reconstruction Start Location Sequence (0018,993B)
Reference Location Label | (0018,9900) | 1 | (0018,9934), (0018,993B) | 1\1 | EQUAL | "Bottom of Scan"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9934), (0018,993B) | 1\1 | EQUAL | (128160, DCM, "Acquired Volume")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9934), (0018,993B) | 1\1 | EQUAL | (128121, DCM, "Plane through Inferior Extent")
>Reconstruction End Location Sequence (0018,993C)
Reference Location Label | (0018,9900) | 1 | (0018,9934), (0018,993C) | 1\1 | EQUAL | "Top of Scan"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9934), (0018,993C) | 1\1 | EQUAL | (128160, DCM, "Acquired Volume")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9934), (0018,993C) | 1\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")

Table AAAA.2-3f. Second 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) | 2 | EQUAL | "Volume"
Protocol Element Purpose | (0018,9924) | 1 | (0018,9934) | 2 | EQUAL | "For volume processing"
Protocol Element Characteristics Summary | (0018,9923) | 1 | (0018,9934) | 2 | EQUAL | "Thin slices"
Requested Series Description | (0018,9937) | 1 | (0018,9934) | 1 | EQUAL | "Brain Volume"
Source Acquisition Protocol Element Number | (0018,9938) | 1 | (0018,9934) | 2 | EQUAL | 3
Source Acquisition Beam Number | (0018,9939) | 1 | (0018,9934) | 2 | EQUAL | 1
Convolution Kernel Group | (0018,9316) | 1 | (0018,9934) | 2 | EQUAL | "BRAIN"
Reconstruction Diameter | (0018,1100) | 1 | (0018,9934) | 2 | EQUAL | 240
Rows | (0028,0010) | 1 | (0018,9934) | 2 | EQUAL | 512
Columns | (0028,0011) | 1 | (0018,9934) | 2 | EQUAL | 512
Slice Thickness | (0018,0050) | 1 | (0018,9934) | 2 | EQUAL | 0.5
Spacing Between Slices | (0018,0088) | 1 | (0018,9934) | 2 | EQUAL | 0.25
>Reconstruction Algorithm Sequence (0018,993D)
Algorithm Name | (0066,0036) | 1 | (0018,9934) (0018,993D) | 2/1 | EQUAL | "Opti-Brain"
Algorithm Name Code Sequence | (0066,0030) | 1 | (0018,9934) (0018,993D) | 2/1 | EQUAL | (B506, 99ACME, "OptiBrain")
>Reconstruction Start Location Sequence (0018,993B)
Reference Location Label | (0018,9900) | 1 | (0018,9934), (0018,993B) | 2\1 | EQUAL | "Bottom of Scan"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9934), (0018,993B) | 2\1 | EQUAL | (128160, DCM, "Acquired Volume")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9934), (0018,993B) | 2\1 | EQUAL | (128121, DCM, "Plane through Inferior Extent")
>Reconstruction End Location Sequence (0018,993C)
Reference Location Label | (0018,9900) | 1 | (0018,9934), (0018,993C) | 2\1 | EQUAL | "Top of Scan"
Reference Basis Code Sequence | (0018,9902) | 1 | (0018,9934), (0018,993C) | 2\1 | EQUAL | (128160, DCM, "Acquired Volume")
Reference Geometry Code Sequence | (0018,9903) | 1 | (0018,9934), (0018,993C) | 2\1 | EQUAL | (128120, DCM, "Plane through Superior Extent")

Table AAAA.2-3g. First Storage Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Storage Protocol Element Sequence (0018,9936)
Protocol Element Name | (0018,9922) | 1 | (0018,9936) | 1 | EQUAL | "To PACS"
Protocol Element Purpose | (0018,9924) | 1 | (0018,9936) | 1 | EQUAL | "For reading"
Protocol Element Characteristics Summary | (0018,9923) | 1 | (0018,9936) | 1 | EQUAL | "Localizers, transverse and thin images"
Source Acquisition Protocol Element Number | (0018,9938) | 1 | (0018,9936) | 1 | EQUAL | 1\2
Source Reconstruction Protocol Element Number | (0018,993A) | 1 | (0018,9936) | 1 | EQUAL | 1\2
>Output Information Sequence (0040,4033) >>DICOM Retrieval Sequence (0040,4071)
Destination AE | (2100,0140) | 1 | (0018,9936), (0040,4033), (0040,4071) | 1\1\1 | EQUAL | "MHPACS"

Table AAAA.2-3h. Second Storage Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Storage Protocol Element Sequence (0018,9936)
Protocol Element Name | (0018,9922) | 1 | (0018,9936) | 2 | EQUAL | "To 3D"
Protocol Element Purpose | (0018,9924) | 1 | (0018,9936) | 2 | EQUAL | "For 3D Processing"
Protocol Element Characteristics Summary | (0018,9923) | 1 | (0018,9936) | 2 | EQUAL | "Thin images"
Source Reconstruction Protocol Element Number | (0018,993A) | 1 | (0018,9936) | 2 | EQUAL | 2
>Output Information Sequence (0040,4033) >>DICOM Retrieval Sequence (0040,4071)
DestinationAE | (2100,0140) | 1 | (0018,9936), (0040,4033), (0040,4071) | 2\1\1 | EQUAL | "3DWS"

Table AAAA.2-3i. Third Storage Protocol Element Specification

Attribute | Selector Attribute | Selector Value Number | Selector Sequence Pointer | Selector Sequence Pointer Items | Constraint Type | Constraint Value
--- | --- | --- | --- | --- | --- | ---
Storage Protocol Element Sequence (0018,9936)
Protocol Element Name | (0018,9922) | 1 | (0018,9936) | 3 | EQUAL | "Raw Data Archive"
Protocol Element Purpose | (0018,9924) | 1 | (0018,9936) | 3 | EQUAL | "For later recons"
Protocol Element Characteristics Summary | (0018,9923) | 1 | (0018,9936) | 3 | EQUAL | "Raw acq data"
Source Acquisition Protocol Element Number | (0018,9938) | 1 | (0018,9936) | 3 | EQUAL | 3
>Output Information Sequence (0040,4033) >>DICOM Retrieval Sequence (0040,4071)
DestinationAE | (2100,0140) | 1 | (0018,9936), (0040,4033), (0040,4071) | 3\1\1 | EQUAL | "RAWCACHE"

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DICOM PS3.17 2019a - Explanatory Information