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皮角是皮肤上长出的坚硬的角质突起物,也称之为“突出的兽角样的不脱落的角质块”。1931年Mocorps称皮角这个词已被用来描述在形态、硬度等方面与兽角相似的皮肤的显著的角化过度。皮角不论其大小,在形态上近似圆锥形或圆柱形,其大部分是由或多或少的致密的角蛋白构成。本病从十三世纪就开始有记载,直到上世纪末本世纪初始加以现代病理学的研究。皮角一般为米粒大小至姆指指头大小,多数为小豆至大豆大小,有黑色、灰色、黄褐色等,以老年单发者居多。1983年11月我
Skin angles are hard keratinous protrusions that grow on the skin and are also called “protruding hornlike non-shedding keratin blocks.” In 1931, Mocorps stated that the term skin angle has been used to describe significant hyperkeratosis of skin that resembles horns in terms of form, hardness, and so on. The skin angle, irrespective of its size, is approximately conical or cylindrical in form, and it is mostly composed of more or less dense keratin. The disease has been documented since the thirteenth century, and it was until the end of the last century that the modern pathology research was initially applied. The skin angle is generally from the size of rice to the size of the thumb, most of which is the size of azuki beans to soybeans. There are black, gray, yellow brown, and so on. November 1983 I