Application of spring core biopsy needle under CT guidance for percutaneous pulmonary biopsy

Objective:To evaluate the diagnostic accuracy and complication of spring core biopsy needle under CT guidance for percutaneous pulmonary biopsy.Methods:38 cases of percutaneous pulmonary biopsy were performed using spring core biopsy needle under CT guidance.When the needle reached the desired site,a tissue specimen was taken.Results:A definite pathological diagnosis was achieved in 35 cases,the diagnostic accuracy was 92%.The diagnostic accuracy for malignant tumor and benign lesion was 97% and 100%,respectively.4 cases were complicated with pneumothorax and 1 case with hemoptysis.Conclusion:A diagnostic accuracy can be improved using the CT guiding spring core biopsy needle for percutaneous pulmonary biopsy.The complication rate of pneumothorax by CT guiding spring core biopsy needle is similar to that by the fine needle aspiration.