黑色素瘤为高度恶性肿瘤，大多源于皮肤。初发病时在皮肤上出现隆起豆大丘疹或结节，灰黑色，逐渐长大，可被溃出血。局部受外伤刺激后可迅速出现卫星结节及广泛转移，如行手术治疗，应做广泛切除，并采取免疫治疗等综合措施。１病历摘要 患者女性，６７岁。因右手掌黑斑１０余 Melanoma is a highly malignant tumor, mostly from the skin. At the onset of the disease, large papules or nodules on the skin appear on the skin, grayish black, gradually growing up, and can be bleeding. After being locally stimulated by trauma, satellite nodules and extensive metastases can occur rapidly. If surgery is performed, extensive resection should be performed and comprehensive measures such as immunotherapy should be taken. 1 medical record summary Female patient, 67 years old. Due to dark spots on the right palm more than 10