Characteristics of Lung Lesions on High-Resolution Computed Tomography (HRCT) in new Pulmonary Tuberculosis AFB(-) Patients

Abstract

Objective: to determine HRCT imaging features in new pulmonary tuberculosis AFB(-) patients and correlate these features with culture
results. Methods: We conducted a study on 130 active pulmonary tuberculosis patients with bacteriological evidence by Gene Xpert test but AFB(-) sputum examination were divided into two groups according to sputum culture results, described HRCT characteristics.
Results: Average age 58.3±14.9, male/female=2.6, average BMI17.3±2.6 HRCT characteristics: centrilobular nodules 86.2%, tree in bud 77.6%, large nodule 66.2%, consolidation 47.7%, cavity 45.4%,
ground glass opacity 20%, mediastinal lymphadenopathy 4.6%, pleural effusion 3.8%. Location of injury: Right upper lobe 82.3%, left upper lobe 73.8%, right lower lobe 59.2%, left lower lobe 56.9%, right middle lobe 52.3%,distributed in the right lung 82.3%, left lung 73.8%, both lungs 71.5%.
Conclusion: There are no significant differences in high-resolution computed tomography imaging characteristics in patients with active pulmonary tuberculosis with positive and negative culture results.