摘要:Research continues to indicate that medical practice is beset with a high rate of error and significant variations in diagnoses among physicians. In "Accuracy of Diagnostic Procedures: Has it Improved Over the Past Five Decades?" Leonard Berlin argues that the medical community has been aware of the high rate of errors and clinical variations for about 50 years, a claim that he supports by discussing the groundbreaking research on diagnostic and radiologic errors conducted by L. Henry Garland in the 1950s [1]. Garland 's 1959 article, the basis for Berlin 's discussion, was the first to reveal the high percentage of physician inaccuracy in a variety of diagnostic procedures. Berlin argues that, though research over the past half century has confirmed Garland 's conclusions, the medical profession has been unable (or unwilling) to make the changes necessary to decrease the rate of error or incidence of variation among diagnosticians [1]. In light of mounting evidence and technological advances, this record causes us to ask why the profession has not taken steps to improve diagnostic accuracy.