Optimization of a teleradiology system between two geriatric hospitals and a radiology department of a CHU |
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Authors: | Rolland Y Robache P Rambeau M Duvauferrier R Ramée A |
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Affiliation: | Département de Radiologie et d'Imagerie Médicale, H?pital Sud, Rennes. |
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Abstract: | The routine use of a 64 kb/sec Numeris network requires that a compromise be reached between image quality and time required for image transfer. Our goal was to present our experience and describe our choices when reporting examinations for two geriatric hospitals located at a short distance from our radiology department. Different digitization parameters were tested (resolution, compression) for 10 plain films corresponding to the usual clinical situations: abdominal X ray, chest X ray, wrist, spine and pelvis X rays. A subjective analysis of the global quality and of the quality of a region of interest enlarged twelve times has been performed. After result analysis, our choices were: digitization using 75 or 150 DPI and systematic use of a reversible compression format. This system proved satisfactory for both clinicians and radiologists; since its implementation, 1,800 files have been reviewed. |
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