血管外皮肉瘤在临床上极为少见，目前国内文献报道很少，发生于后纵隔者更为罕见，近年我院发现1例，经手术、病理学检查证实，现报告如下：1病例摘要患者，男，59岁，于1995年9月5日来我院就诊。自诉：近1月来，自感胸闷，胸背部不适。查体：一般情况良好．全身浅表淋巴结不大 Extravascular hemangiosarcoma is extremely rare in the clinic. Currently, it is rarely reported in domestic literature. It is rare in posterior mediastinum. In recent years, 1 case has been found in our hospital. It was confirmed by surgery and pathological examination. The report is as follows: 1 Case summary Patient, male At the age of 59, she came to our hospital on September 5, 1995. Self-involvement: In the past month, I felt chest tightness and my chest and back discomfort. Physical examination: Generally good. Superficial superficial lymph nodes