Noninvasive preoperative skin tumor diagnosis by the gene expression analysis and dermoscopy

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We examined PCR marker expressions for 50 melanoma, 16 pigment cell nevus, 25 basal cell carcinoma, 3 seborrheic keratosis, 3 poroma and 23 normal skin. We performed multivariate analysis with the PCR results and frequency of dermoscopic characteristics for each skin tumor. Finally we proposed specific criteria for this noninvasive diagnostic method.