为了准确地作出发育不良黑素细胞痣(DMN)的诊断,作者对DMN的临床特征及其与病理学的关系进行了研究,对1109名患者进行了检查。临床上黑素细胞痣出现一个或一个以上的下列特征者便诊断为DMN:限界不清;色素分布不规则;出现红斑;皮肤纹理明显(呈圆石状或鹅卵石状);边缘不 In order to accurately diagnose dysplasia melanocyte nevus (DMN), the authors studied the clinical features of DMN and its relationship with pathology and examined 1,109 patients. Clinically, one or more of the following features of melanocyte defects are diagnosed as DMN: unclear boundaries; irregular pigment distribution; erythema; skin texture (circular stone or cobblestone);