患者Pam Phillips,29岁,女性,1971年因左小腿黑痣复发被诊断为第二期转移性黑色素瘤。原发部位不清楚,推理是在左小腿。当时即被送入国立癌肿研究所进行卡介苗和血浆免疫治疗。三年前曾在某诊所作左腿黑痣切除术,但活检未做或已做而结果遗失。情况不明。恶性黑色素瘤是由产生色素的黑色素细胞所生成。百分之九十的病例其原发部位是在皮肤。黑色素瘤发生于起变化的黑痣。其转移和类型的变易甚多。但最常见于浅肤色人种,并与其对紫外线的暴露有 Patient Pam Phillips, 29 years old, female, was diagnosed with stage II metastatic melanoma in 1971 due to recurrence of left calf black mole. The primary site is unclear and the reasoning is in the left calf. At that time, he was sent to the National Cancer Institute for BCG and plasma immunotherapy. Three years ago, he underwent a left leg hemiplegia at a clinic, but his biopsy had not been performed or had been done and the result was lost. The situation is unknown. Malignant melanoma is produced by pigment-producing melanocytes. Ninety percent of the cases had their primary site in the skin. Melanoma occurs in changing black lice. Its transfer and type of change are numerous. However, it is most common in people with lighter skin types and is exposed to UV rays.