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Article type: Cover
1985 Volume 41 Issue 4 Pages
Cover10-
Published: July 01, 1985
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Article type: Cover
1985 Volume 41 Issue 4 Pages
Cover11-
Published: July 01, 1985
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Article type: Index
1985 Volume 41 Issue 4 Pages
Toc4-
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Article type: Appendix
1985 Volume 41 Issue 4 Pages
i-iv
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TAIKI HORIBE, HIROE HORIBE, JUNICHI MATSUBARA
Article type: Article
1985 Volume 41 Issue 4 Pages
586-592
Published: July 01, 1985
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Recently, non-invasive diagnosis of the periferal vascular disease using ultrasound (U.S.) has been much more advanced than in the earliery days. Non-invasive ultrasonic imaging of the periferal artery system was performed by B-mode scaning and pulsed Doppler ultrasonic arteriography, in 13 patients with arteriosclerosis obliterans. Pulsed Doppler arteriography and B-mode scaning with a 8 MHz transducer were good diagnostic procedures for stenotic lesions of the carotid and femoral arteries. Pulsed Doppler arteriography was also able to be obtain diagnosis rates of 100% in the 50% stenotic lesion of the carotid artery.
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AKIO OKAYAMA, HIDEKI MUKAE, SADATO TANAKA, SHUICHI YAMAUCHI, TSUYOSHI ...
Article type: Article
1985 Volume 41 Issue 4 Pages
593-599
Published: July 01, 1985
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The absorption coefficient of the living body can be indicated by CT numbers. Then, we made up low absorption test charts on equal terms with the living body, and studied the relationship between CT numbers and interval factors in conventional tomography. The visual interval factor changes according to the CT number. The interval factor changes to a great eatent with a CT number of less than 500,and to a small extent with numbers of 1000 or over. It is inferred that the interval factors measured in present study are similar in value for them in clinical tomogram.
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KAZUO AWAI, TAKASHI WAKAMATSU, HIDEAKI TOGI, KAZUO SUGUMI, YOSHINORI Y ...
Article type: Article
1985 Volume 41 Issue 4 Pages
600-609
Published: July 01, 1985
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Examinations of sensitometry for an X-ray cine film were made in this study. An inverse square sensitometry method was considered as a standard method for generating an intensity-scale sensitometric curve. With this method two technigues, timescale sensitometry and light sensitometry were composed. In addition, taking into account the case where the facility have insufficient space to obtain the distance reqired for the inverse square sensitometry, alternative methods such as composed method, neutral density filter method (N.D. method) and photo density step tablet method were examined as well. As results, γ and average gradient of time-scale and light sensitometries showed lower than those of inverse square sensitometry. There were good correlations between composed method, N.D. filter method and inverse square method, and also between photo density step tablet method and inverse square method.
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YASUHIRO HOSOBUCHI
Article type: Article
1985 Volume 41 Issue 4 Pages
610-614
Published: July 01, 1985
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As a result of digital image processing, radiographic images are processed. Four different processed radiographs are produced, which have respestively flat responses up to spatial frequencies 2,4,8 and 16 lines/mm. The first two images have good image quality, and the last two are rather noisy because of high frequency enhancement, but facts concerning high frequency enhancement are still not clear, detail are still clear. Digital processing of the MTF of a radiograph is very useful.
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EIICHI NAKANISHI, KAORU TSUDA, SYUNICHI HIRATA, TOMOAKI NOJIRI, JUNKO ...
Article type: Article
1985 Volume 41 Issue 4 Pages
615-619
Published: July 01, 1985
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About the gradation type screen which have been developed for multipurpose examinations for breast radiography and examples of clinical application are reported including the exposure conditions. The gradation type screen is proposed for use in finding the mediastinum disease, mainly mediastinal lung cancer, and is more fairly spread than the former type. On the breast radiography, we measured the basic density on center of film. Howevers, in case of the central part being compensated sensitivity as a gradation type-screen, basic density is different regarding lungs. If we miss setting the best density, it will cause a miss diagnosis because of the lack of data. We tried to find the measuring position where we can get comparatively easily the best density of the center and the right lung position, on diagnosis, by using the gradation type screen and rare earth element screen (CM=11).
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MUTSUMASA TAKAHASHI
Article type: Article
1985 Volume 41 Issue 4 Pages
620-648
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
649-657
Published: July 01, 1985
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Article type: Appendix
1985 Volume 41 Issue 4 Pages
658-660
Published: July 01, 1985
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Article type: Appendix
1985 Volume 41 Issue 4 Pages
661-683
Published: July 01, 1985
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Article type: Appendix
1985 Volume 41 Issue 4 Pages
684-687
Published: July 01, 1985
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Article type: Appendix
1985 Volume 41 Issue 4 Pages
688-697
Published: July 01, 1985
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Article type: Appendix
1985 Volume 41 Issue 4 Pages
698-699
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
700-
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
700-
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
700-
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
700-701
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
701-
Published: July 01, 1985
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[in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
701-
Published: July 01, 1985
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[in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
701-702
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
702-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
702-
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
702-703
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
703-
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
703-
Published: July 01, 1985
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[in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
703-704
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
704-
Published: July 01, 1985
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[in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
704-
Published: July 01, 1985
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[in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
704-705
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
705-
Published: July 01, 1985
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[in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
705-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
705-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
705-706
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
706-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
706-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
706-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
707-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
707-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
707-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
707-
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[in Japanese], [in Japanese]
Article type: Article
1985 Volume 41 Issue 4 Pages
707-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
707-708
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
708-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
708-709
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
709-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
709-
Published: July 01, 1985
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1985 Volume 41 Issue 4 Pages
709-
Published: July 01, 1985
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