黑色素瘤较少见,上海市1974年统计仅为0.41人次/10万/年。我院1964年3月～1981年7月共收治109例,现分析报告如下。一、临床资料(一) 性别与年龄:男46例,女63例,男:女=1:1.4。年龄最小1岁半,最大73岁,以40～59岁最多,共60例,占55.1%,其次为30～39岁19例,占17.4%。(二) 原发部位:原发于头颈部最多,共41例,(鼻腔13例,口腔12例,额面等处16例),占37.6%;四肢32例(上肢5例,下肢27例),占29.4%;外生殖器21例(阴 Melanoma is less common. Shanghai’s 1974 statistics were only 0.41 visits per 100,000 person-years. In our hospital from March 1964 to July 1981, a total of 109 cases were treated. The current analysis report is as follows. I. Clinical data (1) Gender and age: 46 males and 63 females, male: female = 1:1.4. The youngest was 1 and a half years old, and the oldest was 73 years old, 40 to 59 years old, 60 cases in total, accounting for 55.1%, followed by 19 cases of 30 to 39 years old, accounting for 17.4%. (2) Primary sites: The most common origin was in the head and neck, 41 cases in total (13 cases of nasal cavity, 12 cases of oral cavity, 16 cases of frontal surface, etc.), accounting for 37.6%; 32 cases of limbs (5 cases of upper extremity, 27 cases of lower extremity) Example), accounting for 29.4%; 21 cases of external genitalia (yin