UNASSIGNED: A 15-year-old male evaluated for dark brown-black longitudinal melanonychia that covered 40% of the nail, with pseudo-Hutchinson\'s sign, of 1 year of evolution.
UNASSIGNED: The SN accounts for 1% of the melanocytic neoplasms. In the present paper, we show the third case of ungual SN never previously disclosed, which presents a zigzag pattern reported in the literature for its association with the pediatric population.
■一名15岁的男性被评估为深棕黑色纵向黑甲,覆盖了40%的指甲,用伪哈钦森的标志,一年的进化。
■SN占黑色素细胞肿瘤的1%。在本论文中,我们展示了第三例以前从未披露过的ungaalSN,它呈现了文献中报道的锯齿形模式,因为它与儿科人群有关。