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本文对手术病理证实的24例肺部良性孤立性结节的CT和胸片进行回顾性分析,并对CT与平片进行对比。结果表明:肺良性结节绝大部分小于5cm(95.8％),其中结核瘤小于3cm占83.3％;结节大部分呈圆、类圆或椭圆形;结节相邻的胸膜无反应性增厚或凹陷征。但炎性假瘤和结核瘤距1cm以内之胸膜可有增厚或凹陷征,后者表现为Ⅱ型。5例炎性假瘤周围见网点影(45.5％)。2例错构瘤中央爆米花样钙化。作者认为肿块周围网点影是炎性假瘤的一种重要CT改变。作者通过CT与胸片对比,认为CT的定性较X线明显提高。
In this paper, we retrospectively analyzed the CT and chest radiographs of 24 benign solitary pulmonary nodules confirmed by surgery and pathology, and compared CT with plain film. The results showed that the majority of benign pulmonary nodules were less than 5 cm (95.8%), of which 83.3% were tuberculomas less than 3 cm; most of the nodules were round, round or oval; adjacent pleural non-responsive thickening Or depression sign. However, inflammatory pseudotumor and tuberculosis within 1cm away from the pleura may have thickening or depression sign, which showed type Ⅱ. 5 cases of inflammatory pseudotumor around the network shadow (45.5%). 2 cases of hamartoma central popcorn calcification. The author thinks that the cyst shadow around the tumor is an important CT change of inflammatory pseudotumor. The author through CT and chest X-ray contrast, that the qualitative X-ray was significantly improved.