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目的：分析早期周围型肺癌的ＣＴ征象特点，探讨肺癌早期诊断的临床意义以及提高早期肺癌的检出率和ＣＴ诊断的准确性。材料与方法：搜集１９８０～１９９６年６５例其中４１例为查体发现，均经手术与病理证实的ＣＴ检查资料，并进行回顾性分析。结果：本组早期肺癌ＣＴ表现较高的征象有：（１）分叶征５４例（８３％）；（２）细短毛剌和锯齿征５１例（７８４％）；（３）血管集束征４４例（６７７％）；（４）空泡征／细支气管充气征３７例（５７％）；（５）胸膜凹陷征４０例（６１５％）。有５４例（８３％）出现上述３个以上征象。结论：胸部Ｘ线查体，发现病变后进行ＣＴ扫描对周围型肺癌的早期诊断有重要作用；熟悉并掌握基本的ＣＴ征象是提高肺癌早期诊断水平的关键。
OBJECTIVE: To analyze the CT features of early-stage peripheral lung cancer and to explore the clinical significance of early diagnosis of lung cancer and to improve the detection rate of early-stage lung cancer and the accuracy of CT diagnosis. Materials and Methods: Totally 65 cases (from 1980 to 1996) of 41 cases were examined by CT and confirmed by operation and pathology, and retrospectively analyzed. Results: The signs of high CT in early stage of lung cancer in this group were as follows: (1) 54 cases (83%) of lobectomy; (2) 51 cases (78.4%) of short stubble and serrated sign; (3) There were 44 cases (677%) of cluster signs in the group; (4) 37 cases (57%) had vacuole / bronchiole insufficiency sign; (4) 40 cases (615%) had pleurodesis. In 54 cases (83%), the above three signs appeared. Conclusion: X-ray examination of the chest and found that CT scan after lesion has an important role in the early diagnosis of peripheral lung cancer. To be familiar with and master the basic CT signs is the key to improve the early diagnosis of lung cancer.