AGFA HE/001132 manual SOP Specific Conformance Modality Worklist SOP Class

HE/001132	Document No. 001132, Revision 2.0	Page 46 of 92
Agfa HealthCare
	NodeID Livelink : 14140190	14 June, 2007

2.2.3.3Association Initiation Policies

2.2.3.3.1Activity – Query RIS

2.2.3.3.1.1Description and Sequencing of Activity

The request for Query RIS is initiated by user interaction (pressing the “Query RIS” button) or automatically at specific time intervals (configurable by the user). Depending on the configuration this can either be a query based on a user provided accession number or be a complete worklist update based on date, modality and Scheduled Station AE title.

RIS AE

Department Scheduler

1.Open Association

2.C-FIND Request (Worklist query)

3.C-FIND Response(Worklist item)-status = pending

4.C-FIND Response(Worklist item)-status = pending

5. C-FIND Response - status = success

6. Close Association

Figure 2.2-4: Sample Sequencing Diagram for Refresh Worklist

2.2.3.3.1.2Proposed Presentation Contexts

The RIS Application Entity is capable of proposing the Presentation Contexts shown in the following table:

Table 2.2-42: Presentation Contexts Proposed by DICOM Store AE

Presentation Context Table

Abstract Syntax			Transfer Syntax			Role	Extended
Name		UID	Name List		UID List		Negotiation
Modality	1.2.840.10008.5.1.4.31		Implicit VR Little	1.2.840.10008.1.2		SCU	None
Worklist			Endian
Information
Model – FIND

2.2.3.3.1.3SOP Specific Conformance – Modality Worklist SOP Class (1.2.840.10008.5.1.4.31)

The Modality Worklist SOP class, defined within the Basic Worklist Management Service Class, defines an application-level class of service which facilitates the communication of information to the imaging modality about Scheduled Procedure Steps, and entities related to the Scheduled Procedure Steps.

This worklist is structured according to Scheduled Procedure Steps. A procedure step is a unit of service in the context of a requested imaging procedure.