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Within the pseudo-infundibula, a compact keratin layer adheres closely to the fibres. In the middle and deep reticular dermis, the fibres are surrounded by a small amount of focally granulomatous chronic infiltrate. In the deepest dermis and hypodermis, the fibres are surrounded by fibroplasia, and no inflammatory infiltrate is noted. (Courtesy of Dr PA Fanti, Lab of Dermatology Histopathology, University of Bologna, Italy)
