Abstract: 【Abstract】 Objective To evaluate the application of Analysis technology of Dermoscopy digital image for diagnosing Black heel. Methods Observe measure parameter of randomly draw-outing 4 skin trauma from 3 sufferers with analysis technology of Dermoscopy digital image. After making sure the diagnosis by architectonic pathology, we run back over and then analyze the results of analysis technology of Dermoscopy digital image. Results Our study shows that Black heel has characteristic diagnostic sign on Dermoscopy digital image —‘pebbles on the ridges’, which match with the results of architectonic pathology. These characteristics were also consistent with reporting of document abroad. Conclusions Analysis technology of Dermoscopy digital image is a woundless, simple and reliable method. It provides great sensitivity to distinguish black heel from melanoma, which can avoid the conclusion in the past that only using biopsy could Black heel be distinguished from melanoma. It has great significance in clinical research.

Key words: Black heel, Dermoscopy, digital image analysis