DICOM PS3.17 2020b - Explanatory Information

SSS Use of Image Libraries in SR Documents (Informative) (Current)
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# SSS Use of Image Libraries in SR Documents (Informative)

This Annex contains examples of the use of Image Library templates within SR Documents.

## SSS.1 Image Library for PET-CT Example

This PET-CT example dillustrates an Image Library in which Attributes of images for two modalities are described, with common Attributes factored out of the individual image references.

### Note

1. Only the Attributes of relevance to SUV and spatial measurements are included, not a complete description of all aspects of acquisition.

2. Only two images for each modality are described, rather than all slices acquired, since it is usually only necessary to describe images that are referenced elsewhere in the SR content tree, e.g., on which a region of interest is specified from which measurements are made.

Table SSS.1-1. Image Library for PET-CT Example

Node | Code Meaning of Concept Name | Code Meaning or Example Value | TID
--- | --- | --- | ---
1.n | Image Library |  | TID 1600
1.n.1 | Image Library Group |  | TID 1600
1.n.1.1 | Modality | PET | TID 1602
1.n.1.2 | Target Region | Whole Body | TID 1602
1.n.1.3 | Study Date | 20030417 | TID 1602
1.n.1.4 | Acquisition Date | 20030417 | TID 1602
1.n.1.5 | Acquisition Time | 094513 | TID 1602
1.n.1.6 | Frame of Reference UID | 1.2.3.xyz | TID 1602
1.n.1.7 | Pixel Data Rows | 128 | TID 1602
1.n.1.8 | Pixel Data Columns | 128 | TID 1602
1.n.1.9 | Horizontal Pixel Spacing | 4.0 mm | TID 1604
1.n.1.10 | Vertical Pixel Spacing | 4.0 mm | TID 1604
1.n.1.11 | Spacing Between Slices | 4.0 mm | TID 1604
1.n.1.12 | Slice Thickness | 4.0 mm | TID 1604
1.n.1.13 | Image Orientation (Patient) Row X | 1 | TID 1604
1.n.1.14 | Image Orientation (Patient) Row Y | 0 | TID 1604
1.n.1.15 | Image Orientation (Patient) Row Z | 0 | TID 1604
1.n.1.16 | Image Orientation (Patient) Column X | 0 | TID 1604
1.n.1.17 | Image Orientation (Patient) Column Y | 1 | TID 1604
1.n.1.18 | Image Orientation (Patient) Column Z | 0 | TID 1604
1.n.1.19 | Radionuclide | ^18^Fluorine | TID 1607
1.n.1.20 | Radiopharmaceutical agent | Fluorodeoxyglucose F^18^ | TID 1607
1.n.1.21 | Radiopharmaceutical Start DateTime | 20030417084513 | TID 1607
1.n.1.22 | Radionuclide Total Dose | 277000000 Bq | TID 1607
1.n.1.23 | PET Radionuclide Incubation Time | 60 min | TID 1607
1.n.1.24 | Glucose | 5.5 mmol/l | TID 1607
1.n.1.24.1 | Glucose Measurement Date | 20030417 | TID 1607
1.n.1.24.2 | Glucose Measurement Time | 083043 | TID 1607
1.n.1.25 |  | IMAGE - PET image #1 | TID 1601
1.n.1.25.1 | Image Position (Patient) X | -288.0 | TID 1604
1.n.1.25.2 | Image Position (Patient) Y | 288.0 | TID 1604
1.n.1.25.3 | Image Position (Patient) Z | 136.0 | TID 1604
1.n.1.26 |  | IMAGE - PET image #2 | TID 1601
1.n.1.26.1 | Image Position (Patient) X | -288.0 | TID 1604
1.n.1.26.2 | Image Position (Patient) Y | 288.0 | TID 1604
1.n.1.26.3 | Image Position (Patient) Z | 140.0 | TID 1604
1.n.2 | Image Library Group |  | TID 1600
1.n.2.1 | Modality | CT | TID 1602
1.n.2.2 | Target Region | Whole Body | TID 1602
1.n.2.3 | Study Date | 20030417 | TID 1602
1.n.2.4 | Frame of Reference UID | 1.2.3.xyz | TID 1602
1.n.2.5 | Pixel Data Rows | 512 | TID 1602
1.n.2.6 | Pixel Data Columns | 512 | TID 1602
1.n.2.7 | Horizontal Pixel Spacing | 1.171875 mm | TID 1604
1.n.2.8 | Vertical Pixel Spacing | 1.171875 mm | TID 1604
1.n.2.9 | Spacing Between Slices | 4 mm | TID 1604
1.n.2.10 | Slice Thickness | 4 mm | TID 1604
1.n.2.11 | Image Orientation (Patient) Row X | 1 | TID 1604
1.n.2.12 | Image Orientation (Patient) Row Y | 0 | TID 1604
1.n.2.13 | Image Orientation (Patient) Row Z | 0 | TID 1604
1.n.2.14 | Image Orientation (Patient) Column X | 0 | TID 1604
1.n.2.15 | Image Orientation (Patient) Column Y | 1 | TID 1604
1.n.2.16 | Image Orientation (Patient) Column Z | 0 | TID 1604
1.n.2.17 | CTAcquisition Type | Spiral Acquisition | TID 1605
1.n.2.18 | Reconstruction Algorithm | Filtered Back Projection | TID 1605
1.n.2.19 |  | IMAGE - CT image #1 | TID 1601
1.n.2.19.1 | Image Position (Patient) X | -288.0 | TID 1604
1.n.2.19.2 | Image Position (Patient) Y | 288.0 | TID 1604
1.n.2.19.3 | Image Position (Patient) Z | 136.0 | TID 1604
1.n.2.20 |  | IMAGE - CT image #2 | TID 1601
1.n.2.20.1 | Image Position (Patient) X | -288.0 | TID 1604
1.n.2.20.2 | Image Position (Patient) Y | 288.0 | TID 1604
1.n.2.20.3 | Image Position (Patient) Z | 140.0 | TID 1604

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DICOM PS3.17 2020b - Explanatory Information