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报告1例皮肤未分化多形性肉瘤。患者女,74岁。左肘部、左前臂及右肘部结节10个月余。左肘部皮损组织病理检查:真皮层肿瘤细胞呈明显的多形性,细胞似成纤维细胞样或组织细胞样,交织排列呈席纹状,可见形状怪异的多核巨细胞,核分裂象多见。免疫组化:CD68(+),CD99(+),CD163(+),波形蛋白(vimentin)(+),核增殖抗原(Ki-67)约75%(+)。诊断:皮肤未分化多形性肉瘤。
One case of undifferentiated pleomorphic sarcoma was reported. Female patient, 74 years old. Left elbow, left forearm and right elbow nodules more than 10 months. Left elbow skin lesions histological examination: the dermis of tumor cells showed obvious pleomorphic cells like fibroblast-like or tissue-like, interleaved arrangement was striated pattern, we can see the shape of strange multinucleated giant cells, mitotic common more common . Immunohistochemistry: about 75% (+) of CD68 (+), CD99 (+), CD163 (+), vimentin (+) and nuclear proliferation antigen (Ki-67) Diagnosis: Skin undifferentiated pleomorphic sarcoma.