恶性黑色素瘤较少见,多数起源于表皮黑痣的恶变。我科收治一例无色素皮肤的恶性黑色素瘤,现报告如下。患者男性,30岁,工人。因间断发热一年余,伴颈部淋巴结肿大一月于1987年12月31日收住我科。患者自1986年5月起出现间歇性发热,体温波动于37.5～38.5℃之间,常可自行缓解,同时伴有乏力、盗汗。曾多次就诊未明确诊断。入院前一月体温持续不退、并出现双侧颈部淋巴结肿大、腹胀、下 Malignant melanomas are rare and most originate from the malignant transformation of the epidermis. Our department treats one case of malignant melanoma without pigmented skin. The report is as follows. Male patient, 30 years old, worker. More than one year due to intermittent fever, with lymph node enlargement in the neck in January 31, 1987 to receive our department. The patient had intermittent fever from May 1986. His body temperature fluctuates between 37.5 and 38.5°C. He often relieves himself, accompanied by fatigue and night sweats. Many visits have not been confirmed. One month before admission, body temperature continues to regress, and bilateral cervical lymphadenopathy, bloating, and lower