Abstract: The incidence of malignant melanoma is increasing year by year. However, it is relatively rare to see a doctor in department of respiratory medicine with pleural effusion as the first symptom. In October 2021, 1 case was found in Shanghai Songjiang District Central Hospital, and was reported as follows.

Key words: Malignant melanoma, Pleural effusion, Tumor

摘要： 恶性黑色素瘤发病率逐年递增，但以胸腔积液为首发表现至呼吸科就诊相对少见。2021年10月上海市松江区中心医院发现1例，报道如下。

关键词: 恶性黑色素瘤, 胸腔积液, 肿瘤