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1 临床资料 病例1:男性,70岁,接尘史19年。1980年矽肺普查摄片发现右肺下叶尖段巨大块影,约6cm×8cm,纤维支气管镜检查未发现明显异常,痰癌细胞及结核杆菌检查阴性,患者无任何临床症状,血百分、血沉正常,诊断为肺错构瘤。每年复查胸片动态观察,该块影生长缓慢。1992年增至10cm×10cm,病灶边缘光滑,无分叶,中心有钙化点且分布均匀。瘤体密度高,周围没有卫星灶。右侧位片示病灶位于右下叶尖段。1993年患者出现明显的结核中毒症状,摄片见团块影边缘融解,其
1 clinical data Case 1: male, 70 years old, dust history 19 years. 1980 silicosis screening found a huge block of right lower lobe of the spine, about 6cm × 8cm, fiberoptic bronchoscopy found no significant abnormalities, sputum cancer cells and Mycobacterium tuberculosis negative, the patient without any clinical symptoms, blood percentage, Erythrocyte normal, diagnosed as pulmonary hamartoma. Dynamic review of chest radiography each year, the shadow of slow growth. 1992 increased to 10cm × 10cm, the edge of the lesion smooth, no leaves, the center of calcification and distribution. High tumor density, there is no satellite stove around. The right flank shows lesions located in the lower right tip of the spire. In 1993 the patient showed obvious symptoms of tuberculosis, radiography, see the edge of the block film melt, which