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Digital image management: networking, display, and archiving.

G G Cox, A W Templeton, S J Dwyer

    Medical Instrumentation
    |July 1, 1986
    PubMed
    Summary
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    Implementing a radiology imaging network requires high data throughput for digital films, similar to other local area networks. This ensures efficient retrieval and integration with hospital information systems for patient care.

    Area of Science:

    • Medical Imaging
    • Health Informatics
    • Computer Science

    Background:

    • Radiology departments generate substantial digital data daily (approx. 927 MB/day for a 500-bed hospital).
    • Digital radiology data requires efficient management and retrieval for patient care during hospitalization.
    • Existing local area network (LAN) technologies can inform radiology network design.

    Purpose of the Study:

    • To outline the technical requirements for implementing a radiology imaging network.
    • To address data handling, retrieval rates, and archiving needs for digital radiology.
    • To ensure interoperability with broader hospital information systems.

    Main Methods:

    • Analysis of data generation rates in a typical radiology department.
    • Calculation of required data throughput and signaling rates for interactive diagnosis.

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  • Evaluation of hard-copy generation and long-term archiving solutions.
  • Consideration of network integration with hospital information systems.

    • Main Results:

    • Radiology imaging networks demand high throughput (2-5 Mbps) and signaling rates (20-50 Mbps).
    • Digital laser recorders are suitable for analog hard-copy generation.
    • Low-cost, terabyte-scale database schemes are necessary for long-term archiving.
    • Network interoperability with other hospital information systems is crucial.

    Conclusions:

    • Radiology imaging networks share design principles with other large-data LANs.
    • Efficient data management, high-speed retrieval, and cost-effective archiving are key.
    • Seamless integration with hospital information systems is essential for comprehensive healthcare delivery.