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British Journal of Radiology (1976) 49, 678-685
© 1976 British Institute of Radiology
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The British Journal of Radiology, Vol 49, Issue 584 678-685, Copyright © 1976 by British Institute of Radiology


ARTICLES

The problem of discrimination in mammography. Arguments for using a biological test object

KA Tonge and R Davis

A specimen of breast tissue containing a carcinoma with multiple calcifications was used as a test object and examined by a range of mammographic techniques. The images were compared with a photograph of the actual specimen which was cleared and stained for calcium salts. A quantitative method of evaluating the discriminating ability of each technique is described and used to compare these images. Xeroradiography and Kodak Crystallex film clearly excelled other imaging methods. The value of using a biological test object is discussed.





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