[Electron microscopic study of trichilemmal cyst and malignant proliferating trichilemmal cyst].
D002471:Cell Transformation, Neoplastic / Q000648:ultrastructure; D003560:Cysts / Q000473:pathology*; D004814:Epidermal Cyst / Q000473:pathology; D006197:Hair / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012871:Skin Diseases / Q000473:pathology*