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48.This sarcoma is stained for vimentin by
immunoperoxidase. The positive neoplastic cells are invading into normal muscle fibers
(which are not staining for vimentin) at the left. This is a typical staining reaction for
sarcomas.
48.图示肉瘤的免疫酶原Vimentin染色,阳性反应的肿瘤细胞侵蚀左边的正常肌细胞（Vimentin染色不着色），此为肉瘤典型的染色反应。
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