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Related Experiment Videos

Operational radiologic image archive on digital optical disks.

N J Mankovich1, R K Taira, P S Cho

  • 1Department of Radiological Sciences, University of California, Los Angeles 90024.

Radiology
|April 1, 1988
PubMed
Summary

A new digital optical disk archive successfully stores medical images like CT and MRI scans. This system achieved a 96.6% archival capture rate, demonstrating effective long-term medical image storage.

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Area of Science:

  • Medical Imaging
  • Digital Archiving
  • Optical Disk Technology

Background:

  • Digital imaging is increasingly used in radiology, necessitating robust storage solutions.
  • Traditional storage methods face challenges with the growing volume of medical image data.
  • The need for high-capacity, long-term, and reliable medical image archiving is critical.

Purpose of the Study:

  • To describe the installation and initial performance of a digital optical disk archive for various medical imaging modalities.
  • To evaluate the success rate and identify challenges in archiving computed radiographic, computed tomographic, magnetic resonance, ultrasonographic, and digitized film radiographic images.
  • To assess the operational strategies for managing retrieval times and system failures.

Main Methods:

Related Experiment Videos

  • Implementation of a digital optical disk archive system.
  • Temporary storage of digital images on magnetic disks before archiving.
  • Archival of full-resolution images onto write-once read-many (WORM) optical disks.
  • Maintenance of a pictorial index of minified images for patient retrieval.
  • Utilizing a mechanical jukebox-style library for optical disk storage.

    • Main Results:

    • After 8 months, 49,400 MB of images were archived on 19 optical disks.
    • Achieved a 96.6% success rate for archival image capture.
    • Identified magnetic disk overfilling as a primary failure cause, mitigated by adding a second unit.
    • No medium-related image errors were reported during the initial operational period.
    • Operational adjustments were made to manage slow optical disk retrieval times.

    Conclusions:

    • The digital optical disk archive system demonstrates feasibility and effectiveness for long-term medical image storage.
    • The system successfully archived diverse medical imaging data with a high capture rate.
    • Initial challenges, such as magnetic disk capacity and retrieval speed, were addressed through system enhancements and operational strategies.
    • The technology shows promise for efficient medical image management, with expectations for future performance improvements.