作者报告了3例少见的先天性肢端黑素细胞痣.其临床表现提示为肢端色素性黑素瘤,但活组织检查呈良性特征.这种异常的表现值得临床医生注意,并对于任何拟为恶性黑素瘤的病例,在确定手术前需作组织学检查.黑素瘤最可疑的早期临床征象是颜色多样化,不规则的锯齿状边缘,病灶增大,表面颜色的变化以及不规则高起.而色素性或无色素性卫星瘤的出 The authors report three rare cases of congenital acral melanocytes. Their clinical presentation suggests apical pigment melanoma, but the biopsy was benign. This abnormal performance is worth the attention of the clinician and for any For cases of malignant melanoma, histological examination is required before definitive surgery. The most suspicious early clinical signs of melanoma are diversification of color, irregular jagged edges, increased lesions, changes in surface color, and The rule is raised, and pigmented or non-pigmented satellite tumors appear