本文对孤立肺结节的高分辨CT检查与鉴别诊断作一分析,主要侧重于肺内小结节的高分辨CT扫描技术和重建方法,通过对肺内结节高分辨CT检查,对肺内孤立结节的内部、边缘特征、结节的周围改变和部位进行良、恶性对比,探讨高分辨CT对孤立肺结节的良恶性鉴别诊断. This article analyzes the high resolution CT examination and differential diagnosis of isolated pulmonary nodules, mainly focusing on the high resolution CT scan technique and reconstruction method of small nodules in the lung. Through high resolution CT examination of pulmonary nodules, The internal and marginal features of the isolated nodules, the surrounding nodules and the location of benign and malignant contrast, to explore high-resolution CT of benign and malignant pulmonary nodules in the differential diagnosis.