外陰部に発生した隆起性皮膚線維肉腫

A CASE REPORT OF DERMATOFIBROSARCOMA PROTUBERANS

　27歳，男性．14歳から左外陰部の腫瘤に気づく．腫瘤は無痛性で，徐々にその大きさを増してきたが，1989年3月から急激に増大した．腫瘤は大きな3個の主腫瘤とその周囲に小結節が集簇し，隆起性の局面を形成していた．単純腫瘤摘出術を施行し，隆起性皮膚線維肉腫の診断がなされた．診断確定後，広範切除術と皮膚移植術を施行した．

A 27-year-old male first noticed small nodules on the external genitalia at fourteen years of his age. The nodules had been asymptomatic and slow-growing, but suddenly showed rapid growth since March, 1989. The nodules were surgically excised. Histologically, the tumor showed proliferation of spindle cells, forming storiform pattern. The surrounding tissue was reexcised, and skin was transplanted.