临床资料患者,女,45岁。因甲板改变及甲周红肿伴甲周皮肤瘙痒4个月来院就诊。体格检查:一般情况好,系统检查无明显异常。皮肤科检查:右手中指甲板粗糙,呈混浊黄褐色,甲板略增厚,甲下角质中度增生有明显的碎屑,甲板与甲床部分分离,周围甲沟红肿(图1)。 Clinical data, female, 45 years old. Due to changes in the deck and a week of swelling with a week of itchy skin 4 months to the hospital. Physical examination: the general situation is good, the system check no obvious abnormalities. Dermatology examination: the right middle finger deck rough, cloudy yellow brown, slightly thickening of the deck, hypodermic moderate hyperplasia obvious detritus, deck and nail bed part of the separation around the ditch red dilation (Figure 1).