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Radiology, Vol 124, 689-694, Copyright © 1977 by Radiological Society of North America

ARTICLES

Negative-mode soft-tissue xeroradiography

FA Osterman Jr, GH Zeman, GU Rao, B Gayler, BG Kirk and AE James Jr

Positive-mode xeroradiography is an excellent method of visualizing soft-tissue structures in mammography and other procedures; however, toner deletions over a large area may preclude adequate delineation of the soft tissues near high-density structures such as bone. Use of the negative mode in the development cycle provides excellent demonstration of the soft tissues without toner deletions and requires only about 70% of the exposure needed in the positive mode. Negative-mode images also exhibit greater changes in radiographic contrast than those observed with the positive mode. The extent of achilles tendon lacerations was shown particularly well by this technique.




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RADIOLOGY RADIOGRAPHICS RSNA JOURNALS ONLINE
Copyright © 1977 by the Radiological Society of North America.