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Images 11.10.1A: Infundibular plug of corneocytes in a widened infundibulum + 11.10.1B: A cast of parakeratotic cells in the dilated infundibulum = Keratosis pilaris ¬†Changes identical to these are seen in lichen spinulosus, a variant clinical of keratosis pilaris. Projection of the plug of parakeratotic cells above the skin surface is characteristic of keratosis pilaris […]