CT Features and Misdiagnosis of Lung Cancer in Young Patients / 实用放射学杂志

ABSTRACT

Objective To describe CT features and misdiagnosis of lung cancer in young patients.Methods The clinical data and CT findings of primary bronchogenic carcinoma in 33 young patients proved pathologically were reviewed.Results Masses,nodules andpulmonary consolidation were found in 13,8 and 7 cases on chest CT respectively.The soft nodule in bronchus with obstructive pulmonary atelectasis was found in 3 cases,the thickening of bronchial wall and bronchiarctia with obstructive pulmonary infection,plumonary cavity and multicenter lesion were found in 1 respectively.There were thoracic effusion or with nodulous pleurae in 8 cases,nodules in lungs in 7 cases,enlarged lymph nodes in 6 cases,destruction of thoracic skeleton in 2 cases and mass involving mediastinum or large vessels in 4 cases.The chest metastatic rate was 81.8%.Pulmonary inflammation and tuberculosis were firstly diagnosed in 6 and 15 cases,the misdiagnostic rate was 63.6%.Conclusion Masses,nodules and pulmonary consolidation are the common CT features of lung carcinoma in young patients.Most cases are advanced stage of lung carcinoma and misdiagnosed as pulmonary tuberculosis in initial examination.