Abstract：Objective: To analyze the CT findings of atypical pulmonary metastases for the purpose of improving CT diagnostic accuracy. Methods: The CT features of 32 cases with primary tumor and atypical pulmonary metastases confimed by clinic, operation and pathology were analysed retrospectively. Results: In these cases, vacuolar-like or with cavities in the lesions were found in 18 cases, calcification was found in 9 cases and halo sign was found in 4 cases, spontaneous pneumothorax was found in 1 case. Conclusion: Clinical information combined with special CT findings, a precise diagnosis could be made in cases of atypical pulmonary metastases.
2006, Vol. 17 
