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" ... Several caveats though. Keep in mind that there is substantial variability in the skills and abilities of dermatologists, or any doctor for that matter. For example, the standard deviation for properly identifying a melanoma was over 9% for the dermatologists and for properly identifying a benign mole was over 11%. Thus, it's not clear if CNN is currently better than some of the best dermatologists aound. The 58 dermatologists were not necessarily the "best of the best" but simply those who responded to an invitation sent to the International Dermoscopy Society mailing list. So the only thing clear was that they were the best at responding to this particular email invitation. Also, showing a dermatologist an image is not quite the same as a dermatologist seeing and talking to the person attached to the lesion. Lesions may be more or less difficult to evaluate depending on where it is located on a person's body. And of course people's skin varies by skin color, texture, hairiness, and many other characteristics. ... "