骨外黏液样软骨肉瘤(extraskeletal myxoid chondrasarcoma,EMC)是一类罕见的恶性软组织肿瘤,相对于那些的临床病理及分子生物学特征已经明确定义的肿瘤,骨外黏液样软骨肉瘤的细胞分化类型还不完全清楚。最新的WHO骨与软组织肿瘤分类体系修订版中,EMC被归类于分化类型不明确的肿瘤。我院最近收治1例典型的足部骨外黏液软骨肉瘤,现报告如下。 Extraskeletal myxoid chondrosarcomas (EMC) are a rare group of malignant soft tissue tumors that have been well-defined in terms of the clinicopathological and molecular biological characteristics of those tumors. The extracellular differentiation type of osteochondral sarcoma Not entirely clear. In the latest revision of the WHO classification of bone and soft tissue tumors, EMC was classified as a tumor of undifferentiated type. Our hospital recently admitted to a typical case of extranodal mucocutaneous chondrosarcoma, are as follows.