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American Journal of Roentgenology, Vol 159, 1101-1105, Copyright © 1992 by American Roentgen Ray Society

ARTICLES

Digital archive center: implementation for a radiology department

AW Wong, RK Taira and HK Huang
Department of Radiological Sciences, University of California, School of Medicine, Los Angeles 90024-1721.

OBJECTIVE. In this article, we describe the implementation of a digital archive center for a radiology department in a 700-bed teaching hospital. MATERIALS AND METHODS. The archive center consists of two identical archive systems, each comprising five components: an archive server, a data-base server, an optical disk library, a stand-alone optical disk drive, and a communication network. An image management system controls the image traffic from acquisition devices to display stations. A fault-tolerant mechanism was built into the archive center to achieve a 100% uptime. RESULTS. The center has been in operation for over 6 months. We have not experienced a single total system failure during this period. It currently archives all digital images from three MR units and four CT scanners and selected images from three computed radiographic systems and two laser film digitizers. The center archives between 1.5 and 2.0 gigabytes of images per workday. CONCLUSION. With its built-in fault-tolerant mechanism, we believe that the implemented archive center is very reliable and is suitable for a radiology department to archive its digital images.
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Copyright © 1992 by the American Roentgen Ray Society.