Software considerations in the design of an image archive

Abstract
The Radiology Department at the Hospital of the University of Pennsylvania is currently expanding its prototype Picture Archiving and Communications System (PACS) into a fully functional clinical system. The first phase of this expansion involves three major efforts: the upgrade of the 10-Mbit token-ring to an 80-Mbit backbone with associated sub-nets, the implementation of a large-scale image archive, and, an interface between the PACS and the Department's Radiology Information System. Upon the completion of this phase, the PACS will serve the storage and display needs of four MRI scanners and four of the Hospital's Intensive Care Units. This paper addresses the implementation of a software suite designed to duplicate and enhance conventional Film Library functions on a PACS. The structure of an electronic 'folder' based upon the ACR/NEMA Digital Imaging and Communication Standard is also introduced.

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