Histopathology Histological examination of a calcified epidermal cyst reveals a dermal cystic structure.In addition to laminated layers of keratinous material,the cavity is filled with amorphous basophilic calcareous ...Histopathology Histological examination of a calcified epidermal cyst reveals a dermal cystic structure.In addition to laminated layers of keratinous material,the cavity is filled with amorphous basophilic calcareous sediment(Fig.1A).The cyst wall consists of thinned stratified squamous epithelium similar to the hair follicle infundibulum,which is surrounded by fibrosis(Fig.1B).Active inflammation is sometimes seen around the cyst.The etiology and pathogenesis of these pathological findings are controversial.展开更多
文摘Histopathology Histological examination of a calcified epidermal cyst reveals a dermal cystic structure.In addition to laminated layers of keratinous material,the cavity is filled with amorphous basophilic calcareous sediment(Fig.1A).The cyst wall consists of thinned stratified squamous epithelium similar to the hair follicle infundibulum,which is surrounded by fibrosis(Fig.1B).Active inflammation is sometimes seen around the cyst.The etiology and pathogenesis of these pathological findings are controversial.
