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炎性肌纤维母细胞瘤(Inflammatory myofibroblastic tumor,IMT)是一种较少见的间质肿瘤,多数病例显示ALK基因重排。组织学上该肿瘤由增生的纤维母细胞/肌纤维母细胞和明显浸润的慢性炎症细胞(尤其是浆细胞)组成。
Inflammatory myofibroblastic tumor (IMT) is a rare mesenchymal tumor, most cases of ALK gene rearrangement. Histologically this tumor consists of hyperplastic fibroblasts / myofibroblasts and significantly infiltrating chronic inflammatory cells (especially plasma cells).