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A case of nodular subungual melanoma without Hutchinson's nail sign
Kohei Nojima1, Takeshi Namiki1, Shown Tokoro1
1Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
Abstract:
An early and accurate diagnosis is critical for the optimal management of subungual melanoma; the absence of Hutchinson's nail sign makes an accurate diagnosis extremely difficult. Previous publications show that most subungual melanomas have Hutchinson's nail sign. In this report, we present a rare case of a subungual melanoma without Hutchinson's nail sign and discuss the importance of cautious evaluations of Hutchinson's nail sign by dermoscopy.
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