DICOM PS3.17 2021e - Explanatory Information

F.3.2 Example 2: Lung Nodule Detection With Findings and Anatomy/pathology Interpretation

A chest CAD device processes a screening chest case with one image, and a lung nodule detected. The chest radiograph resembles:

Chest Radiograph as Described in Example 2

Figure F.3-2. Chest Radiograph as Described in Example 2


The content tree structure in this example is complex. Structural illustrations of portions of the content tree are placed within the content tree table to show the relationships of data within the tree. Some content items are duplicated (and shown in boldface) to facilitate use of the diagrams.

Content Tree Root of Example 2 Content Tree

Figure F.3-3. Content Tree Root of Example 2 Content Tree


The content tree structure would resemble:

Node

Code Meaning of Concept Name

Code Meaning or Example Value

TID

1

Chest CAD Report

TID 4100

1.1

Image Library

TID 4100

1.2

CAD Processing and Findings Summary

All algorithms succeeded; with findings

TID 4101

1.3

Summary of Detections

Succeeded

TID 4100

1.4

Summary of Analyses

Not Attempted

TID 4100

Image Library Branch of Example 2 Content Tree

Figure F.3-4. Image Library Branch of Example 2 Content Tree


Node

Code Meaning of Concept Name

Code Meaning or Example Value

TID

1.1

Image Library

TID 4100

1.1.1

IMAGE 1

TID 4020

1.1.1.1

Image View

Postero-anterior

TID 4020

1.1.1.2

Study Date

19990101

TID 4020

CAD Processing and Findings Summary Portion of Example 2 Content Tree

Figure F.3-5. CAD Processing and Findings Summary Portion of Example 2 Content Tree


Node

Code Meaning of Concept Name

Code Meaning or Example Value

TID

1.2

CAD Processing and Findings Summary

All algorithms succeeded; with findings

TID 4101

1.2.1

Single Image Finding

Abnormal Opacity

TID 4104

1.2.1.1

Single Image Finding Modifier

Nodule

TID 4104

1.2.1.2

Rendering Intent

Presentation Required:…

TID 4104

1.2.1.3

Algorithm Name

"Lung Nodule Detector"

TID 4019

1.2.1.4

Algorithm Version

"V1.3"

TID 4019

1.2.1.5

Center

POINT

TID 4107

1.2.1.5.1

Reference to Node 1.1.1

TID 4107

1.2.1.6

Outline

POLYLINE

TID 4107

1.2.1.6.1

Reference to Node 1.1.1

TID 4107

1.2.1.7

Diameter

2 cm

TID 1400

1.2.1.7.1

Path

POLYLINE

TID 1400

1.2.1.7.1.1

Reference to Node 1.1.1

TID 1400

Summary of Detections Portion of Example 2 Content Tree

Figure F.3-6. Summary of Detections Portion of Example 2 Content Tree


Node

Code Meaning of Concept Name

Code Meaning or Example Value

TID

1.3

Summary of Detections

Succeeded

TID 4100

1.3.1

Successful Detections

TID 4015

1.3.1.1

Detection Performed

Nodule

TID 4017

1.3.1.1.1

Algorithm Name

"Lung Nodule Detector"

TID 4019

1.3.1.1.2

Algorithm Version

"V1.3"

TID 4019

1.3.1.1.3

Reference to node 1.1.1

TID 4017

DICOM PS3.17 2021e - Explanatory Information