患者男 ,2 8岁 ,为南沙某礁守卫战士 ,于守礁的第 5个月无诱因突觉右额、右头皮轻微烧灼样痛伴微痒 ,第 2天疼痛加剧右额角出现集簇性针尖大红斑、斑丘疹、水疱 ,范围约 1元硬币大小 ,自用皮康霜外涂无效 ,于第 3天就诊。此时右眼上睑略肿胀 ,出现 2粒黄豆大红色丘疹 ,右头皮可 The male patient, 28 years old, was a reef guard soldier in the Nansha Islands. In the fifth month of Shou Reef, there was no incentive for the right forehead, slight burning of the right scalp and slight itching, and the pain intensified on the second day. Point big red spot, maculopapular rash, blisters, the size of about 1 yuan coin size, personal use Pikang cream coated invalid, on the first 3 days of treatment. Right upper eyelid at this time a little swelling, there are two big red papules, right scalp can be