CT-guided fine-needle aspiration and core needle biopsies of pulmonary lesions: a single-center experience with 750 biopsies in Japan.
2015
OBJECTIVE. CT-guided lung biopsy is a well-established diagnostic method for pulmonary lesions. The aim of our study was to evaluate the diagnostic outcomes and safety profile of conventional CT–guided lung biopsies. MATERIALS AND METHODS. We retrospectively analyzed the results of CT-guided lung biopsies for 750 patients to determine the diagnostic accuracy, complication rates, and independent risk factors for diagnostic failure and severe pneumothorax. RESULTS. Diagnostic accuracy was 92.9%. Independent risk factors for diagnostic failure were malignant lesions (odds ratio [OR], 4.20; 95% CI, 1.66–14.1; p = 0.001), lesions in the lower lobe (OR, 2.01; 95% CI, 1.17–3.47; p = 0.011), lesions 2.0 cm or smaller (OR, 2.87; 95% CI, 1.59–5.48; p < 0.001), and the presence of pneumothorax during the procedure (OR, 2.18; 95% CI, 1.27–3.78; p = 0.004). Pneumothorax requiring drainage occurred in 7% of patients. Independent risk factors for pneumothorax requiring drainage were age of 73 years or older (OR, 2.19; 9...
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