Diagnostic value of multislice computed tomography in diffuse panbronchiolitis postprint

Abstract: Objective To analyze the MSCT features of diffuse panbronchiolitis (DPB) and improve the diagnostic accuracy.Methods CT features of DPB in 13 patients were retrospectively analyzed. Results Among the 13 cases，the distribution oflesions was bilateral with diffuse in 12 cases and local in 1 case. The chest CT apperances of DPB were as follows：1diffusesmall nodules accompanied by tree-in-bud sign in 13 cases；2small airway bron-Chiectasis in 12 cases, mucoid impaction in 3cases; 3inflamma-tory patchy consolidation in 8 cases, small cavity in 2 cases, interstitiell fibrosis in 3 cases; 4 Chronicparanasal sinusitis was found by CT examination in 11 cases, mostly involving the maxillary sinus; the changes of CT featuresbefore and after treatment; the lesions were absorptive in different degree after treatment 1-3 months later. Conclusion MSCTfeatures of DPB are characteristic, playing an important role in the diagnosis of DPB.