Common experience in radiology suggests that many errors are of little or no significance to the patient and some significant errors remain undiscovered errors are inevitable and the concept of necessary fallibility must be accepted equally a threshold of competency is required of all professionals involved in the delivery of radiology . Errors in diagnostic radiology occur for a variety of reasons related to human error technical factors and system faults classification renfrew classification this classification was proposed by renfrew et al 5 in 1992 and at the time of . 1 all authors the russell h morgan department of radiology johns hopkins university school of medicine 22 s greene st baltimore md 21201 objective in this article we describe some of the cognitive and system based sources of detection and interpretation errors in diagnostic radiology and . Certainly a fraction of perceptual errors in the practice of radiology reflects flaws or biases in the search patterns used by radiologists eg whether they do not look in the area of a lesion or do not fixate on a lesion long enough to notice its relevant features thus they may be amenable to training and cognitive debiasing . One way to reduce diagnostic errors the authors noted is taking a closer look at why radiologists make the decisions they make psychological interventions can cut down on errors by increasing a specialists awareness of how a mistake was made and how they are limited by their own intuition
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