ABSTRACT
Objective To improve the understandazation of manifestation of lung metastases and awareness of characteristics. Methods 21 cases of lung metastases were collected by the clinical diagnosis during Jan 2005 to Dec 2008, and its manifestation of chest X -ray and CT imaging was analysed to explore the characteristics. Results The chest X - ray was a conventional method for lung metastases .CT, especially HRCT, can provide more comprehensive and accurate image information. 21 cases of lung metastases included 17 cases of hematogenic metastasis, accounting for 80% , 2 cases of lymphatic metastasis and 2 cases of direct metastasis, each accounting for 10% . Primary tumor + lung typical manifestation can help to make more precise diagnosis. Conclusion Chest X - ray and CT are an important for lung metastases in the clinical diagnosis, treatment, program settings, and efficacy of assessment.