DICOM PS3.16 2017e - Content Mapping Resource

Colon CAD SR IOD Templates
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## Colon CAD SR IOD Templates

The Templates that comprise the Colon CAD SR IOD are interconnected as in Figure A-9b. In Figure A-9b, '···' indicates possible recursive application of subordinate Templates.

Figure A-9b. Colon CAD SR IOD Template Structure

### TID 4120 Colon CAD Document Root

This Template forms the top of a content tree that allows a colon CAD device to describe the results of detection and analysis of colon evidence. This Template, together with its subordinate Templates, describes both the results for presentation to radiologists and partial product results for consumption by colon CAD devices in subsequent colon CAD reports.

This Template defines a Container that contains the CAD results and summaries of the detection and analysis algorithms performed.

The atomic CAD results of Single Image Findings and Composite Features are described in the Colon CAD Findings Summary sub-tree.

The Summary of Detections and Summary of Analyses sub-trees gather lists of algorithms attempted, grouped by success/failure status. Algorithms not attempted are not mentioned in these sub-trees. This information forms the basis for understanding why a colon CAD report may produce no (or fewer than anticipated) results. Colon CAD results are constructed bottom-up, starting from Single Image Findings (see TID 4127 “Colon CAD Single Image Finding”), associated as Composite Features (see TID 4125 “Colon CAD Composite Feature”).

See Figure SS.1-1 “Top Levels of Colon CAD SR Content Tree” in PS3.17 .

Type:

  Non-Extensible

Order:

  Significant

Root:

  Yes

Table TID 4120. Colon CAD Document Root

| NL | Rel with Parent | VT | Concept Name | VM | Req Type | Condition | Value Set Constraint
--- | --- | --- | --- | --- | --- | --- | --- | ---
1 |  |  | CONTAINER | EV (112220, DCM, "Colon CAD Report") | 1 | M |  | Root node
2 | > | HAS CONCEPT MOD | INCLUDE | DTID 1204 “Language of Content Item and Descendants” | 1 | M |  |
3 | > | CONTAINS | INCLUDE | DTID 4122 “CAD Common Image Properties Entry” | 1-n | M |  |
4 | > | CONTAINS | INCLUDE | DTID 4121 “Colon CAD Findings Summary” | 1 | M |  |
5 | > | CONTAINS | CODE | EV (111064, DCM, "Summary of Detections") | 1 | M |  | DCID 6042 “Status of Results”
6 | >> | INFERRED FROM | INCLUDE | DTID 4015 “CAD Detections Performed” | 1 | MC | Shall be present unless the value of row 5 is (111225, DCM, "Not Attempted") | $DetectionCode = DCID 6201 “Colon Finding or Feature”
7 | > | CONTAINS | CODE | EV (111065, DCM, "Summary of Analyses") | 1 | M |  | DCID 6042 “Status of Results”
8 | >> | INFERRED FROM | INCLUDE | DTID 4016 “CAD Analyses Performed” | 1 | MC | Shall be present unless the value of row 7 is (111225, DCM, "Not Attempted") | $AnalysisCode = DCID 6137 “Types of CAD Analysis”

Content Item Descriptions

Detections Performed | The "Detections Performed" and "Analyses Performed" sections of the Content Tree (TID 4120 “Colon CAD Document Root”, rows 6 and 8) together shall reference all Image SOP Instances included in the Current Requested Procedure Evidence Sequence (0040,A375) attribute of the SR Document General module.
Analyses Performed

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DICOM PS3.16 2017e - Content Mapping Resource