Xiaohong Li, Zhengzhou
概述：
抓痕
深达真皮乳头层的组织缺损，通常边缘锐利
颜色：红色
大小：毫米至厘米级
取决于病因，通常局限性分布或孤立存在，常为线状
可发展为结痂和坏死
愈合后遗留瘢痕
可伴发丘疹、结节和糜烂
人为造成
由于外伤通常为搔抓引起的组织缺损
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