John Libbey Eurotext

European Journal of Dermatology


Pigmented squamous cell carcinoma of the right thumb: longitudinal melanonychia and dermoscopic features Volume 27, numéro 5, September-October 2017


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1 Department of Dermatology,
2 Department of Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8510 Japan

Pigmented squamous cell carcinoma (SCC) with longitudinal melanonychia of the nail is a rare disorder.Longitudinal melanonychia is caused by various aetiologies such as drugs, infections, melanocytic nevus, and melanoma [1-4]. The detailed dermoscopic features of pigmented SCC have not been fully elucidated to date [5]. Here, we present a case of pigmented SCC with detailed dermoscopic features, including longitudinal melanonychia.An 80-year-old female presented with longitudinal melanonychia of [...]