恶性雀斑样痣于1892年首次被Hutchinson描述为长期慢性晒伤后非典型黑素细胞在真皮表皮交界部的过度增生。由于其临床特征不典型,常常影响皮肤科及整形科医师及时诊治。恶性雀斑样黑素瘤由恶性雀斑样痣发展而来,其发病率与年龄、性别、地理、阳光暴晒有关。 Malignant lentigo-like plaques were first described by Hutchinson in 1892 as the hyperplasia of atypical melanocytes at the junction of dermal epidermis after long-term chronic sunburn. Due to its atypical clinical features, it often affects dermatologists and orthopedic surgeons to perform timely treatment. Malignant freckle-like melanoma develops from malignant freckles, and its incidence is related to age, gender, geography, and sun exposure.