Skin biopsy revealed that papule contained cornoid lamellae on the top of the raised border. 皮肤活检显示丘疹的边缘隆起处有角化不全鸡眼样板。
Background Porokeratosis is a group of disorders characterized by epidermal keratinization associated with a cornoid lamella, which is an autosomal dominant mode of inheritance. 研究背景汗孔角化症是一组常染色体显性遗传皮肤病,它以表皮明显角化、鸡眼样层板结构为其组织病理特征。