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目的分析肺原发性肉瘤影像学表现,增进对诊断肺原发性肉瘤重要性的认识。方法本组4例均经手术及病理证实,所有病例均有X线胸部正侧位片及CT扫描结果。结果4例表现为单发病灶,圆形或椭圆形肿块,密度均匀,边缘光整,有分叶。无肺门及纵隔淋巴结肿大。偶有局部组织粘连,CT值均为35~60Hu。结论病灶直径在5 cm以上,发生在肺叶周边部,轮廓清楚,边缘光整,密度均匀,较少发生肺门及纵隔淋巴结转移。
Objective To analyze the imaging findings of primary pulmonary sarcoma and to improve the understanding of the importance of diagnosing primary pulmonary sarcoma. Methods The group of 4 cases were confirmed by surgery and pathology, all cases have X-ray chest X-ray film and CT scan results. Results 4 cases showed single lesions, round or oval mass, uniform density, edge finishing, with lobulation. No hilar and mediastinal lymph nodes. Occasional local tissue adhesion, CT values are 35 ~ 60Hu. Conclusions The diameter of the lesion is more than 5 cm. It occurs in the periphery of the lung lobe. The outline of the lesion is clear, the edge is smooth, the density is even, and the hilar and mediastinal lymph node metastasis are less frequent.