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Proceedings Paper

Quasi-real-time telemedical checkup system for x-ray examination of UGI tract based on high-speed network
Author(s): Toshikazu Sakano; Takahiro Yamaguchi; Tatsuya Fujii; Akira Okumura; Isao Furukawa; Sadayasu Ono; Junji Suzuki; Yutaka Ando; Ehiichi Kohda; Yoshinori Sugino; Yoshiyuki Okada; Sachi Amaki
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Paper Abstract

We constructed a high-speed medical information network testbed, which is one of the largest testbeds in Japan, and applied it to practical medical checkups for the first time. The constructed testbed, which we call IMPACT, consists of a Super-High Definition Imaging system, a video conferencing system, a remote database system, and a 6 - 135 Mbps ATM network. The interconnected facilities include the School of Medicine in Keio University, a company's clinic, and an NTT R&D center, all in and around Tokyo. We applied IMPACT to the mass screening of the upper gastrointestinal (UGI) tract at the clinic. All 5419 radiographic images acquired at them clinic for 523 employees were digitized (2048 X 1698 X 12 bits) and transferred to a remote database in NTT. We then picked up about 50 images from five patients and sent them to nine radiological specialists at Keio University. The processing, which includes film digitization, image data transfer, and database registration, took 574 seconds per patient in average. The average reading time at Keio Univ. was 207 seconds. The overall processing time was estimated to be 781 seconds per patient. From these experimental results, we conclude that quasi-real time tele-medical checkups are possible with our prototype system.

Paper Details

Date Published: 18 May 2000
PDF: 10 pages
Proc. SPIE 3980, Medical Imaging 2000: PACS Design and Evaluation: Engineering and Clinical Issues, (18 May 2000); doi: 10.1117/12.386436
Show Author Affiliations
Toshikazu Sakano, NTT Network Innovation Labs. (Japan)
Takahiro Yamaguchi, NTT Network Innovation Labs. (Japan)
Tatsuya Fujii, NTT Network Innovation Labs. (Japan)
Akira Okumura, NTT Network Innovation Labs. (Japan)
Isao Furukawa, NTT Network Innovation Labs. (Japan)
Sadayasu Ono, NTT Network Innovation Labs. (Japan)
Junji Suzuki, Telecommunications Advancement Organization of Japan (Japan)
Yutaka Ando, Keio Univ. School of Medicine (Japan)
Ehiichi Kohda, Keio Univ. School of Medicine (Japan)
Yoshinori Sugino, Keio Univ. School of Medicine (Japan)
Yoshiyuki Okada, Keio Univ. School of Medicine (Japan)
Sachi Amaki, Keio Univ. School of Medicine (Japan)


Published in SPIE Proceedings Vol. 3980:
Medical Imaging 2000: PACS Design and Evaluation: Engineering and Clinical Issues
G. James Blaine; Eliot L. Siegel, Editor(s)

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