PMC6785924_01
At initial diagnosis, the palmoplantar surface revealed hyperkeratosis and fissured erythema. Nail findings noted were thickening, longitudinal ridging and yellow discolouration.
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The fingernails and toenails were thickened with longitudinal ridging and a yellow discoloration consistent with onychauxis and onychorrhexis (Figure 1).
After the resection of the carcinoma and despite no topical or oral treatment directed towards the cutaneous condition, the palmoplantar surfaces normalized. Also, noted is significant normalization of the nails with some remaining yellow discoloration.
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PMC6785924_01_10.1177_2050313X19881595-fig2.jpg
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On follow-up, there was minimal residual erythema and significant normalization of the nails (Figure 2).