By Gary M. White, MD

Symmetrical Acral Keratoderma (SAK) is a rare condition reported from China is characterized by symmetric brown to black hyperkeratotic patches on the acral regions. A whitish coloration occurs with water contact.


Brown hyperkeratotic plaques are seen symmetrically over the dorsum of the hands, palms and feet, dorsal digits and wrists, elbows,knees, and ankles. The lesions became dramatically whitish with mild swelling immediately after soaking in water and resolved spontaneously in winter.


BJD Dec 2013 online.


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