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Images 10.45.1A: Vesicular dermatitis, intraepidermal, acantholytic + 10.45.1B: Suprabasal separation with acantholytic dyskeratotic cells throughout most of the thickness of the thickened epidermis = Hailey-Hailey disease Because when the acantholytic cells in Hailey-Hailey disease separate from one another they cornify prematurely and therefore tend to assume a polygonal rather than a round shape, unlike the […]