1984年至1990年我院收治足部局灶损害和腹股沟肿块三例,经手术切除后病理证实为恶性黑色素瘤转移,因来诊较晚,均预后不良。病例报告例1:男,60岁。右拇趾根部蹠面“鸡眼”肿痛,右腹股沟包块渐进性增大二月。入院前因“鸡眼”肿痛自行削割,易出血。请外科医生做“鸡眼”切除,切后又长出。以右腹股沟淋巴结炎入院。查体:右拇趾根部蹠面有棕灰色蚕豆大硬结样皮肤损害,有淡色血性渗出,体温正常。同侧腹股沟淋巴结肿大如鸡蛋大。在硬膜外麻下行右拇 From 1984 to 1990, in our hospital, there were three cases of focal lesions and inguinal masses in the foot. After surgical resection, pathological examination confirmed the metastasis of malignant melanoma. Because of late arrival, the prognosis was poor. Case Report Example 1: Male, 60 years old. The right eye of the thumb had a swollen eye on the corn, and the right inguinal mass increased progressively in February. Before the admission, due to the swelling and pain of the “corn”, he cuts himself and is prone to bleeding. Ask the surgeon to make a “corn” cut and grow it after cutting. The right groin was admitted to the hospital. Physical examination: There were brown and gray broad bean-like skin lesions on the right hallux toe surface, pale bloody exudates, and normal body temperature. Ipsilateral inguinal lymphadenopathy such as large eggs. In the epidural anesthesia down the right thumb