因外伤导致隆突性皮肤纤维肉瘤２例报告曹克敌隆突性皮肤纤维肉瘤是发生于皮肤软组织的种低度恶性肿瘤。我院曾遇２例均因外伤后所导致。现报告如下。例１．男，１２岁。５岁时摔伤，头部突起，血肿，未作任何治疗。１年后血肿渐变硬，似瘢痕样突起，伴痒痛。当地医院行切... Report of 2 Cases of Protrusive Dermal Fibrosarcomas Due to Trauma Cao Kedi’s dermatofibrosarcoma of the lumbosacral type is a low-grade malignant tumor that occurs in the soft tissue of the skin. There were 2 cases in our hospital that were caused by trauma. The report is as follows. Example 1. Male, 12 years old. When he was 5 years old, he suffered a bruise, a protruding head, hematoma, and no treatment. One year later, the haematoma became gradually harder, resembling scar-like protrusions and itching. Local hospital cut...