Objective To investigate the X-ray film,CT and PET-CT features and diagnostic value of pulmonary hamartoma. Materials and Methods The radiographic materials and clinical information of 20 patients with pulmonary hamartoma confirmed by pathology were retrospectively reviewed. Results The lesions in 8 cases were located in left lung and 12 cases in right. Besides 1 case showed light sublobe,all other lesions showed round nodules with clearly border,all of 20 cases were single lesions. The lesions of 7 cases w...