Unusual Behaviour Of A Lung Inflammatory Myofibroblastic Tumour.

Daniel Cabral, Cristina Rodrigues, Teresa Almodovar, Analisa Ribeiro, Leonor Mota, Francisco Félix
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Abstract

Inflammatory myofibroblastic tumours (IMTs) are rare lesions. We report a case of a 55 year-old male, admitted with a pneumonia. Further investigation revealed a left lower lobe mass and enlarged mediastinal lymph nodes. Cytology of the bronchoalveolar lavage suggested a squamous cell carcinoma. He received four cycles of chemotherapy followed by a left lower lobectomy. Pathological analysis was compatible with IMT. Three months after surgery, a new IMT nodule located in the lingula was excised. Four months later,endobronchial involvement and the presence of liver nodules were detected.Ten months after the first surgery a CT revealed a sacrum lesion. Histology was compatible with undifferentiated sarcoma and a sarcomatous transformation was assumed.

肺炎性肌成纤维细胞瘤的异常表现。
炎症性肌纤维母细胞瘤是一种罕见的病变。我们报告一例55岁男性,因肺炎入院。进一步检查发现左下叶肿块和纵隔淋巴结肿大。支气管肺泡灌洗液细胞学检查提示鳞状细胞癌。他接受了四个周期的化疗,随后进行了左下叶切除术。病理分析与IMT相符。手术后三个月,切除了位于舌部的新IMT结节。4个月后,支气管内受累,肝结节出现。第一次手术十个月后,CT显示骶骨病变。组织学与未分化肉瘤一致,假定为肉瘤转化。
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