12/12/2023 0 Comments Viral pneumonia chest x ray findingsPublished by Baishideng Publishing Group Inc. This delineation, when combined with clinical manifestations and laboratory results may help to differentiate these two viral infections.ĬOVID-19 Computed tomography Coronavirus H1N1 Influenza Viral pneumonia. Subpleural curvilinear lines, sugar melted sign, intra-lesional vascular enlargement, reverse halo sign, and fibrotic bands were more reported in COVID-19 than H1N1, while air space nodule, tree-in-bud, bronchiectasia, pleural effusion, and cavitation were more seen in H1N1. In review of other imaging findings, further differences were noticed. Peripheral and posterior distribution, multilobular distribution, pure or clear margin GGOs were more commonly reported in COVID-19, whereas central or peri-bronchovascular GGOs and pure consolidations were more seen in influenza A (H1N1). For instance, ground glass opacities (GGOs), as the most frequent imaging finding in both diseases, can differ in the pattern of distribution. The differences observed in the chest CT scan can be helpful in differentiation. We reviewed 47 studies and delineated CT findings of COVID-19 and influenza pneumonia. Chest computed tomography (CT) has a high sensitivity for detection of pulmonary disease manifestations and can play a key-role in diagnosing COVID-19. Reverse transcriptase polymerase chain reaction is highly specific but has suboptimal sensitivity. The management, prognosis, and protection for these two viral pneumonias differ considerably and differentiating between them has a high impact on the patient outcome. COVID-19 outbreak is expected to persist in months to come that will be synchronous with the influenza season. Presently, coronavirus disease 2019 (COVID-19) has evolved into serious global pandemic. Influenza viruses were responsible for most adult viral pneumonia.
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