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Abstract：
We present a pair of cases detailing acquired hyperpigmented patches overlying the spinous processes of pediatric patients. These cases are consistent with a condition that has previously been documented in the adult population and is known by many names, including \"Davener\'s dermatosis,\" \"towel melanosis,\" and \"lifa disease.\" We propose unifying these terms into a single standardized name, \"frictional melanosis,\" when it is encountered in the pediatric setting. In presenting these findings, we hope that greater awareness and recognition of this benign condition in pediatric patients will decrease the need for biopsy and reduce family concern.
摘要：
我们介绍了一对病例，详细介绍了覆盖儿科患者棘突的获得性色素沉着过度斑块。这些病例与先前在成人中记录的情况一致，并且有许多名字，包括达维纳的皮肤病，\"\"毛巾黑变病,\"和\"利法病。“我们建议将这些术语统一为一个单一的标准化名称，“摩擦性黑变病，“当它在儿科环境中遇到时。在介绍这些发现时，我们希望对儿科患者的这种良性疾病有更多的认识和认识，这将减少对活检的需要，并减少家庭的关注。
