间叶性软骨肉瘤系发生于骨和软组织的一种罕见肿瘤。白Lichtenstein等首先报道以来,已逐渐引起临床及病理学家的重视。我们在工作中碰到4例,现报道如下并作讨论。病例报告例1:男性,38岁。主诉右颧面部肿胀3月余。患者1984年3月右颧面部表皮曾损伤,未发现骨折及其他不适。自1985年春节 Mesenchymal chondrosarcoma is a rare tumor that occurs in bone and soft tissue. Since Lichtenstein et al. first reported it, it has gradually attracted the attention of clinical and pathologists. We encountered 4 cases at work and are reported below and discussed. Case Report Example 1: Male, 38 years old. Chief complained of swelling of the right eyelid more than 3 months. In March 1984, the right epidermis of the face was damaged and no fracture or other discomfort was found. Spring Festival since 1985