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Quick Uptakes
March 22/29, 2000

Building a Better X-ray

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JAMA. 2000;283(12):1557. doi:10.1001/jama.283.12.1557-JQU00001-2-1

A diverse team of researchers has published the first images of breast cancer tissue using a new radiography method that may prove superior to mammography for detecting tumors.

The new technology, called diffraction enhancing imaging (DEI), uses a silicon crystal placed in the x-ray beam between the imaging medium and the object being studied to diffract x-ray wavelength. In DEI, two images are taken—one similar to a standard x-ray and one in which the x-ray angle deviates slightly. Both images are processed to produce one picture that researchers say is more sensitive than conventional radiography in revealing features that are diagnostic of cancer.

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