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Avian influenza A H7N9: radiographic and CT features

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Author:
No author available
Journal Title:
Chinese Journal of Radiology
Issue:
9
DOI:
10.3760/cma.j.issn.1005-1201.2013.09.003
Key Word:
禽流感;肺炎;放射摄影术;体层摄影术,X线计算机;Influenza in birdr;Pneumonia;Radiography;Tomography,X-ray computed

Abstract: Objective To explore the imaging features of chest radiography and CT in patients with avian influenza A (H7N9).Methods The imaging data of chest radiography and CT in 4 patients with H7N9 confirmed by real-time RT-PCR assay were retrospectively analyzed.All patients had chest radiography at first and 3 underwent CT examination,3 had follow-up radiography.Results Chest radiographs showed increased lung markings with pulmonary consolidation and interstitial change in 4 cases and consolidations were bilaterally distributed in 3 cases.The imaging appearances changed quickly during the follow-up.The bilateral consolidations,multiple ground-glass opacities,pleural effusion,hilar and mediastinal lymphadenopathy were found on CT.Conclusions Avian influenza A (H7N9) has certain imaging features on chest radiography and CT,which is sinilar to those of H1N1 influenza.The final diagnosis of the avian influenza A (H7N9) depends on epidemiology and laboratory test.

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