Radiology & Imaging

3-D mammography: More breast cancers detected

A pilot trial of 3-D mammography—tomosynthesis—has shown that breast cancer detection, recall for assessment, and screen reading time were each higher than for standard mammography, but it is too soon to tell if more ...

Screening

Screening, in general, is the investigation of a great number of something (for instance, people) looking for those with a particular problem or feature. One example is at an airport, where many bags get x-rayed to try to detect any which may contain weapons or explosives. People are also screened going through a metal detector. Even though the procedure aims at a large number of screens, it is always equivalent to sampling in statistics, because the complete population is almost always inaccessible for screening.

Screening has other, more specific meanings:

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