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例1男,35岁,因右小腿环状红色斑块8年来诊。患者27岁时无明显诱因右小腿外侧中下段出现黄豆大小红斑,逐渐扩大呈环状,无明显自觉症状。8年来皮疹反复发作,逐渐增多,发展缓慢,皮疹可部分自行消退,曾先后按湿疹、银屑病、扁平苔藓治疗,无明显疗效。体检:各系统检查无异常发现,浅
Example 1 male, 35 years old, due to ringing the right leg annular red plaque 8 years consultation. No significant incentive for patients at age 27 at the middle and lower right lateral leg of the emergence of soybean size erythema, gradually enlarged ring, no obvious symptoms. Rash recurrent over the past 8 years, gradually increased, slow development, the rash can partially subside on their own, has been according to eczema, psoriasis, lichen planus treatment, no significant effect. Physical examination: no abnormalities found in various systems, light