Halo nevus - 晕痣
relevance score : -100.0%
References一名7岁女孩的额头上有一个黑色胎记。过去三个月里，胎记周围出现了一圈白色的环。
A 7-year-old girl presented with a blackish birthmark on her forehead, which had gotten a white ring around it over the past three months.
A 7-year-old girl presented with a blackish birthmark on her forehead, which had gotten a white ring around it over the past three months.
尽管晕痣 (Halo nevus) 在大多数情况下是无害的，但仍需定期监测病变。如果病变的外观出现任何变化或伴有疼痛，应立即咨询医生，以排除黑色素瘤的可能性。
据估计，晕痣 (Halo nevus) 存在于约 1% 的普通人群中，在白癜风、恶性黑色素瘤或特纳综合征患者中更为常见。平均发病年龄在青少年期。