Presentation
Cough and dyspnea with a severe course resulting in respiratory failure and death.
Patient Data
Peripheral alveolar opacities in both lungs and area of consolidation in the left upper lobe
Peripheral and peribroncovascular areas of consolidation and ground-glass opacities predominantly in the upper lobes of both lungs.
Case Discussion
The most common HRCT findings of H1N1 pneumonia are ground-glass opacities, consolidations, and a combination of non-specific ground-glass opacities and consolidations, usually bilateral and multifocal. In this case, the diagnostic confirmation of H1N1 infection was performed by laboratory testing (real-time PCR) of nasopharyngeal material.
Note the similarity of the radiographic appearances to COVID-19, a key differential for a case of influenza pneumonia.
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