Kaposi肉瘤(KS)是一种罕见的主要累及皮肤的恶性肿瘤。自八十年代以来,在获得性免疫缺陷综合征(AIDS)患者中,KS的发病率明显增长。与原发性KS不同,这类患者在临床及免疫学等方面均有其特征,因而称之为AIDS相关KS。本文拟就本病的研究近况作一扼要综述。 一、流行病学 自1981年美国疾病控制中心(CDC)首次报导AIDS以来,世界大多数地区相继发现AIDS病例,但 Kaposi’s sarcoma (KS) is a rare major skin-related malignancy. The incidence of KS has significantly increased in patients with Acquired Immune Deficiency Syndrome (AIDS) since the 1980s. Unlike primary KS, these patients are characterized clinically and immunologically and are therefore referred to as AIDS-related KS. This article intends to make a brief summary of the current situation of this disease. I. Epidemiology AIDS cases have been found in most parts of the world since the CDC first reported AIDS in 1981,