Histopathologic examination showed hyperkeratosis of epidermis, increased thickness of the granular layer and dilation of subpapillary vessels filled with red blood cells.
组织病理学检查示表皮角化过度,呈乳头瘤样增生,颗粒层增厚,真皮乳头见大量增生张的毛细血管,管腔内含红细胞,血管周围淋巴细胞浸润。
Histopathologic examination showed hyperkeratosis of epidermis, increased thickness of the granular layer and dilation of subpapillary vessels filled with red blood cells.
组织病理学检查示表皮角化过度,呈乳头瘤样增生,颗粒层增厚,真皮乳头见大量增生张的毛细血管,管腔内含红细胞,血管周围淋巴细胞浸润。
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