**Symptomatic keratoderma**tative is a clinical nosological form of dermatosis, which is characterized by damage to only the stratum corneum of the skin: strengthening and thickening due to changes in the barrier properties of the epidermis, or their loss due to intraepidermal infiltrates of lymphocytes and plasma cells. Represented by enlarged, pink, dry, coarser and thicker horny plates with a specific roughness, the covering of the epidermis has the appearance of a rosary (Greek) or condensed slag (Latin); The tactile sensations are reminiscent of Tunisian (figs).