儿童纵行黑甲的临床和病理分析

Clinical and histopathologic study on longitudinal melanonychia of children

目的:分析儿童纵行带状黑甲的临床和病理特点。方法:回顾性分析42例住院进行甲下黑斑切除术的3个月～12岁患儿的临床资料,并进行术后随访。结果:42例患儿中,3岁以内发病31例。病理示痣细胞者30例,只有色素颗粒而无痣细胞者12例。结论:儿童纵行黑甲多数发生于3岁以前,以良性黑素细胞增殖最多见。

Objective： To determine the nature of melanocytic lesions of pediatric patients with longitudinal melanonychia （LM）. Method： Clinical data from hospitalized patients younger than 12 years old with longitudinal melanonychia were retrospectively analyzed and followed up after biopsy. Results： Forty - two patients were included in the analysis. The LM appeared before 3 years old in 31 cases. The final diagnosis was nevus in 30 cases and functional LM without nevus cells in 12 cases. Conclusion： LM in most children appears before 3 years old and is benign melanocytic hyperplasia.