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Figure 4: Epidermis shows cup shaped depression containing parakeratotic cells intermingled with basophilic material and degenerated collagen bundles. At the base the epidermis is thinned out with fragmented fibrous tissue. Hair shaft is seen in the crater. Papillary dermis showed proliferating capillaries and sparse lymphocytic infiltration and collagen bundles. H and E, ×40

Figure 4: Epidermis shows cup shaped depression containing parakeratotic cells intermingled with basophilic material and degenerated collagen bundles. At the base the epidermis is thinned out with fragmented fibrous tissue. Hair shaft is seen in the crater. Papillary dermis showed proliferating capillaries and sparse lymphocytic infiltration and collagen bundles. H and E, ×40