Radiological manifestations of pulmonary tuberculosis in patients subjected to anti-TNF-α treatment
OBJECTIVE: To evaluate the impact of anti-TNF treatment on radiological manifestations of PTB.
METHOD: Between January 2007 and December 2012, the chest radiographs (CXRs) of 23 consecutive patients with newly diagnosed PTB who underwent anti-TNF treatment were studied. Chest computed tomography (CT) images were available for 14. To compare the radiological features of PTB, the CXRs of 46 immunocompetent PTB patients with similar demographics were studied as controls, of whom 34 underwent chest CT. Two radiologists and one chest physician reviewed the chest images independently.
RESULTS: Compared with the controls, fibronodular lesions were less common on CXR in the anti-TNF group (P < 0.001). In contrast, lymphadenopathy (P < 0.001), pleural effusion (P = 0.015) and pericardial effusion (P = 0.02) were more common, while tree-in-bud appearance (P = 0.017) was less commonly depicted on chest CT in the anti-TNF group. Although there was no significant difference in zonal predilection and laterality of the lesions between the two groups, diffuse lesions (P = 0.004) on chest CT scans were more frequent in the anti-TNF group.
CONCLUSION: Unusual presentations of PTB were more common in the CXRs and/or CT scans of patients who underwent anti-TNF treatment.
Document Type: Research Article
Affiliations: 1: Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan 2: Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan 3: Department of Chest Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Emergency and Critical Care Medicine, National Yang-Ming University, Taipei, Taiwan
Publication date: January 1, 2014
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