Results Peripheral lung carcinoma mainly showed a mass with lobulated shape, spicules of margin, pleural indentation and vacuolesign.
结果周围型肺癌主要表现为肿块分叶、边缘毛刺、胸膜凹陷及空泡征；
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Objective:To evaluate the high resolution CT(HRCT) findings of vacuolesign in solitary pulmonary nodule, and its value in the early diagnosis of lung cancer.
目的：探讨肺部孤立结节内空泡征的HRCT表现及其对诊断早期肺癌的价值。
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Results Typical nodules with deep lobulated sign, spiculated sign, vacuolesign, air bronchogram, pleural indentation, and vessel convergence has great value in the diagnosis of malignant SPN.