DICOM PS3.3 2018b - Information Object Definitions

7.5 Organizing Large Sets of Information
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## 7.5 Organizing Large Sets of Information

For the purpose of accommodating large sets of frames in Multi-frame Image SOP Instances the Real-World Entity Relationship Diagram has been extended to describe the relationships of these instances: Concatenation (see Section 7.5.1) and Dimension Organization (see Section 7.5.2). Figure 7.5-1 depicts the additions to Figure 7-1a.

Figure 7.5-1. Extension of the Real World Model with Concatenations and Dimensions

### 7.5.1 Concatenation

For implementation specific reasons (such as practical limits on the maximum size of an individual SOP Instance) the content of a multi-frame image may need to be split into more than one SOP Instance. These SOP Instances together form a Concatenation, which is a group of SOP Instances within a Series that is uniquely identified by Concatenation UID (0020,9161).

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7.4 Extension of the DICOM Model of the Real World for the General Purpose Worklist (Retired) | Home | 7.5.2 Dimension Organization

DICOM PS3.3 2018b - Information Object Definitions