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Article
April 26, 1952

RADIOGRAPHY WITH RADIOACTIVE ISOTOPES

JAMA. 1952;148(17):1508. doi:10.1001/jama.1952.02930170048011
Abstract

Although the influence of nuclear physics on diagnostic radiology to date has been comparatively slight, there are a number of interesting possibilities in this respect. Some of these are discussed in a recent article by Mayneord1 who had suggested that it might be possible to use a strong radioactive source placed inside the body as a radiographic focus so that more satisfactory views from unconventional angles might be obtained. In such instances detail is often obscured by superimposed structures with standard radiographic techniques.

It has been widely assumed that the gamma rays emitted from an atomic nucleus are very penetrating and thus would not provide the contrast necessary in human radiography. Actually, a number of radioactive substances emit gamma rays of low average energy that are within the diagnostic range. Many of these radioactive substances, however, are not adaptable to diagnostic radiography. They may emit other gamma rays of

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