Patient found a hair loss spot on the back of scalp 4 days ago.He did have lots of stress and emotion change in the past 3 months.He could not sleep well and enough for long time.He has to take the zolpidem tablet for the better sleep in the past a few months.Mother: vitiligo (+).Examination & Findings 检查 & 发现A oval hair loss patch (3.2x2cm) on the occipital area of the scalp, a few light brown and thin hairs on the lesion.Assessment & Plan 评估 & 计划Explanation for the skin condition and treatment method.Topical medication treatment as directed.Follow up as needed.