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An ashen skin color is a result of inadequate oxygen circulation or perfusion.
A 59-year-old man with ashy dermatosis is presented; the classification and diagnosis of this disease is discussed. Ashy dermatosis presents two main clinical aspects: the ashy-color maculae, and the involvement mainly in darker-skinned patients often from Latin America and Asia. The blue-grey color can be explained by the Tyndall effect because of the melanin found in the dermis.