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American Journal of Roentgenology, Vol 162, 299-303, Copyright © 1994 by American Roentgen Ray Society

ARTICLES

Conventional wisdom: observation, experience, anecdote, and science in breast imaging

DB Kopans
Department of Radiology, Massachusetts General Hospital, Boston.

Science is and should be the foundation of modern medicine, but observation and experience remain key elements in day-to-day clinical care. As mammography and other breast imaging techniques have evolved, early impressions have been replaced by more rigorous scientific testing, which has led to a more thorough understanding of the breast and the anatomic and morphologic origins of the imaging observations. As is true in many reports that involve the use of a new technique, early information is observational and anecdotal and frequently lacking the all-important "denominator" for a particular observation. For a "sign" to be accepted as a reliable indicator of a process, its associations must be compared with the overall prevalence of the observation in the healthy population. Observed associations must be corroborated by objective analysis.
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D. B. Kopans
Bias in the Medical Journals: A Commentary
Am. J. Roentgenol., July 1, 2005; 185(1): 176 - 182.
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Copyright © 1994 by the American Roentgen Ray Society.