[The diagnostic value of CT-guided percutaneous needle lung biopsy in diffuse parenchymal lung diseases].
Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases(2012)
Abstract
OBJECTIVE:This study was to evaluate the efficacy and limitation of CT-guided percutaneous cutting needle lung biopsy in the diagnosis of diffuse parenchymal lung diseases (DPLD).
METHODS:A total of 481 patients admitted in Peking Union Medical College Hospital from January 2000 to December 2008 underwent CT-guided percutaneous cutting needle lung biopsy. The patients were evaluated by clinical history, physical examination and lung HRCT. Those with localized opacity or lesions in a single lung in the CT scan were excluded. Finally, 248 patients with DPLD in HRCT were enrolled for this study.
RESULTS:The study patients included 114 males and 134 females, and the mean (± SD) age at diagnosis was 50 ± 16 (range from 13 - 78) years. Confirmed diagnosis by percutaneous needle lung biopsy was obtained in 130 patients (52.4%), including pulmonary infection (35.4%, 46/130), pulmonary malignant diseases (25.4%, 33/130), bronchiolitis obliterans organizing pneumonia/organizing pneumonia (22.3%, 29/130), pulmonary vasculitis (6.2%, 8/130), granulomatous lesions (4.6%, 6/130), pulmonary sarcoidosis (2.3%, 3/130), acute interstitial pneumonia (1.5%, 2/130), pulmonary amyloidosis (1.5%, 2/130), and pulmonary alveolar proteinosis (0.8%, 1/130). Open lung biopsy/video-assisted thoracoscopic surgery was performed in 37 out of 118 cases for which the diagnosis was undetermined by percutaneous lung biopsy. Confirmed diagnosis was obtained in 36 patients, including non-specific interstitial pneumonia (NSIP, 33.3%, 12/36), usual interstitial pneumonia (UIP, 8.3%, 3/36), pulmonary infection (16.7%, 6/36), neoplasm (8.3%, 3/36), lymphoid interstitial pneumonia, pulmonary vasculitis (5.6% 2/36), hypersensitivity pneumonitis (5.6%, 2/36), and pulmonary sarcoidosis, allergic bronchopulmonary aspergillosis, pulmonary hyalinizing granuloma, pneumoconiosis, Castleman's disease, and lymphoproliferative disorder (1 case respectively).
CONCLUSION:CT-guided percutaneous cutting needle lung biopsy can provide confirmed diagnosis in half of patients with DPLD, and has a high diagnostic yield in patients with infectious or neoplastic diseases, but it is not a good method for diagnosis of interstitial lung diseases such as NSIP and UIP.
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