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Article type: Cover
1972 Volume 28 Issue 3 Pages
Cover7-
Published: November 30, 1972
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Article type: Cover
1972 Volume 28 Issue 3 Pages
Cover8-
Published: November 30, 1972
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Article type: Appendix
1972 Volume 28 Issue 3 Pages
App3-
Published: November 30, 1972
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
243-244
Published: November 30, 1972
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
244-
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Article type: Article
1972 Volume 28 Issue 3 Pages
245-246
Published: November 30, 1972
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
248-277
Published: November 30, 1972
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1) Percent fatty tissue of the breast is plotted against age with a composite polystyrene-water phantom. These results are then converted to the skin doses against ages which are in proportion to the MAS required in producing 1.0 film density. 2) The mesurements of diagnostic quality are carried out with following test objects : a smallpiece of the paraffin block of the mammary carcinoma which containes 30 minute calcific deposits ranging from 90〜400μ in diamiter. The Value of O.T.F. is multiplied by one-half the corresponding contrast of 0.2mm-A1 (1/2ΔD) in order to account for the detail visibility under varring technical factors A 0.25mm-A1 resalution test chart is then made by that thonght, and good agreement is seen between the two measurements. The results thus obtained indicate that the combination of the coarcer grain industrial film and larger focal spot size is better in detail visibility than the opposite combination because of its higher subject contrast. Screen technics with fine detail screens such as BS and FS in back only, or in combination have no negative effect on visual detection if the kvp is reduced with respect to the screen speed. 3) Technics of manmography are extended to soft tissue roentgenography of the thyroid. An image of thyroid Carcinoma can be Visualized in our tangential view by applying the screen system.
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
278-291
Published: November 30, 1972
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Soft-tissue radiography is mainly applied to the part of low contrast regions of human body. One of the most Popular one is mammography which is essential for overstep the boundary or palpation. Many authors have reported the studies of enlargement radiography, tomography and fluorography applied to the radiogram. In false diagnosis point of view, foreign authors have reported only 10% in T_1 group, but now in japan generaly 50% amounts in the same group. None of their reports clarified racial factors of the shape, the size and the like at all. The purpose of this paper is to investigate the situation as follow; 1) Appropriate technique for mammograthy to japanese women. 2) X-Ray apparatus factors and the image qualities of the radiogram. 3) Compensated method and bury-suction compensated method with alchol.
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
292-303
Published: November 30, 1972
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Recently, radiography of the breast has become activity in Japan. But that standardization is not yet established at presnt. For this purpose, we tried experiments about following some technical problems. (1) Characteristics of various X-ray films with or without screen on the low voltage. (2) Relation between the resolution and the exposure dose to the patient. (3) Variation of X-ray tube focal spot size with exposure data. (4) The others, about several factors for X-ray image. Also, In this article refers to the characteristice of our trial high speed rotating anod soft X-ray tube unit "CIRCLEX 0.5/1 U35YN-23".
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
304-314
Published: November 30, 1972
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
315-320
Published: November 30, 1972
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
321-323
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Article type: Appendix
1972 Volume 28 Issue 3 Pages
324-
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Article type: Appendix
1972 Volume 28 Issue 3 Pages
325-329
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Article type: Appendix
1972 Volume 28 Issue 3 Pages
330-
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Article type: Article
1972 Volume 28 Issue 3 Pages
330-331
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Article type: Article
1972 Volume 28 Issue 3 Pages
331-
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[in Japanese], [in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
331-
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Article type: Article
1972 Volume 28 Issue 3 Pages
331-
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Article type: Article
1972 Volume 28 Issue 3 Pages
331-332
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Article type: Article
1972 Volume 28 Issue 3 Pages
332-
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Article type: Article
1972 Volume 28 Issue 3 Pages
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Article type: Article
1972 Volume 28 Issue 3 Pages
332-
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1972 Volume 28 Issue 3 Pages
332-
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Article type: Article
1972 Volume 28 Issue 3 Pages
332-333
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Article type: Article
1972 Volume 28 Issue 3 Pages
333-
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Article type: Article
1972 Volume 28 Issue 3 Pages
333-
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Article type: Article
1972 Volume 28 Issue 3 Pages
333-
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Article type: Article
1972 Volume 28 Issue 3 Pages
333-334
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Article type: Article
1972 Volume 28 Issue 3 Pages
334-
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Article type: Article
1972 Volume 28 Issue 3 Pages
334-
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Article type: Article
1972 Volume 28 Issue 3 Pages
334-
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1972 Volume 28 Issue 3 Pages
334-335
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1972 Volume 28 Issue 3 Pages
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Article type: Article
1972 Volume 28 Issue 3 Pages
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1972 Volume 28 Issue 3 Pages
335-
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1972 Volume 28 Issue 3 Pages
335-336
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Article type: Article
1972 Volume 28 Issue 3 Pages
336-
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Article type: Article
1972 Volume 28 Issue 3 Pages
336-
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Article type: Article
1972 Volume 28 Issue 3 Pages
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Article type: Article
1972 Volume 28 Issue 3 Pages
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Article type: Article
1972 Volume 28 Issue 3 Pages
336-337
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Article type: Article
1972 Volume 28 Issue 3 Pages
337-
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Article type: Article
1972 Volume 28 Issue 3 Pages
337-
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Article type: Article
1972 Volume 28 Issue 3 Pages
337-
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Article type: Article
1972 Volume 28 Issue 3 Pages
337-338
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Article type: Article
1972 Volume 28 Issue 3 Pages
338-
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[in Japanese]
Article type: Article
1972 Volume 28 Issue 3 Pages
338-
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Article type: Appendix
1972 Volume 28 Issue 3 Pages
339-340
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