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炎性肌纤维母细胞瘤(inflammatory myofibroblastic tumor,IMT)是一种少见而独特的间叶性肿瘤,表现低度恶性或交界性肿瘤特点,近年WHO提出此命名,已逐渐得到广泛认同[1]。肺IMT是由肌纤维母细胞和多种炎性细胞成分组成的肺内瘤样团块,较多见于儿童和青少年,现报道成人肺IMT伴淋巴结转移病例1例如下。
Inflammatory myofibroblastic tumor (IMT) is a rare and unique mesenchymal tumor characterized by low-grade or borderline tumors. This name has been widely recognized by WHO in recent years [1]. Lung IMT is a pulmonary tumor-like mass composed of myofibroblasts and a variety of inflammatory cell components, more common in children and adolescents. It is reported in 1 cases of adult lung IMT with lymph node metastasis.