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A distributed approach to integrated inquiry and display for radiology
M S Wimmer1, G J Blaine, R G Jost
1Electronic Radiology Laboratory, Mallinckrodt Institute of Radiology, Washington University Medical Center, St. Louis, MO.
Journal of Medical Systems
|August 1, 1991
Summary
Flexible Picture Archiving and Communications (PACS) systems are crucial for integrating new technologies. This study details a modular PACS architecture designed for seamless integration of radiologic images and data management.
Area of Science:
- Medical Imaging
- Health Informatics
- Computer Science
Background:
- Picture Archiving and Communications (PACS) systems require flexibility to incorporate technological advancements without extensive software redesign.
- Effective integration of radiologic image acquisition, storage, and management with radiology information systems (RIS) is essential.
- Current PACS architectures may lack the modularity needed for efficient updates and integration.
Purpose of the Study:
- To present a flexible and modular PACS architecture.
- To describe a four-level data model for managing radiologic data.
- To detail the components and interactions within a newly developed PACS.
Main Methods:
- Developed a PACS architecture based on a four-level data model: patient, examination, image, and instance information.
- Implemented a system with three primary components: application clients, database servers, and image servers.
- Utilized a local-area network (Ethernet) for inquiry and display transactions, measuring system performance.
Main Results:
- The proposed PACS architecture demonstrates flexibility and modularity.
- The four-level data model effectively organizes patient and image information.
- Inquiry and display transactions on the local-area network were successfully measured and analyzed.
Conclusions:
- A modular PACS design facilitates the integration of new storage, computation, and display technologies.
- The described architecture provides a robust framework for managing radiologic images and data.
- The system's component-based design supports efficient data retrieval and display.