Viral pneumonia occurs due to aggression of the viral pathogens on the lung structures. These patients were isolated and obtained treatment. Pneumonia is the most common cause of death due to infectious diseases in the United States, with an incidence of 11.6/1000 persons/year reported … Terminology. Since December 2019, a cluster of cases with unknown pneumonia with similar clinical manifestations suggesting viral pneumonia appeared in Wuhan city, Hubei Province, China. It is considered the only acute process among the idiopathic interstitial pneumonias. The CO-RADS classification uses features of COVID-19 on chest CT to indicate the likelihood of COVID-19 pulmonary involvement based on CT imaging (ref Prokop et al). Performance of radiologists in differentiating COVID-19 from viral pneumonia on chest CT. Radiology Published online March 10, 2020. These diseases typically present as multifocal consolidations, but sometimes they may become diffuse. In this article we will describe the role of imaging. Accessed April 15, 2020. Chest CT can be helpful in the diagnosis of COVID-19 in hospitalized patients as an adjunct to PCR testing and serology. Physician Board Reviews Physician Assistant Board Reviews CME Free CME. Viral pneumonia was correctly diagnosed at the initial CT study in the remaining 49 patients with COVID-19 and two patients with adenovirus. The diagnosis is made by a positive PCR test, which is highly specific. Radiology Published online April 7, 2020. Approximately 60 to 70% of patients with sarcoidosis have characteristic radiologic findings. There is a steep decline in the incidence of viral pneumonia from adolescence through the fifth or sixth decade of life. Acute interstitial pneumonitis (AIP), also known as Hamman-Rich syndrome, is a rapidly progressive non-infectious interstitial lung disease of unknown etiology. 2018 Oct [PubMed PMID: 30292266] COVID-19 is a viral disease also known as SARS-CoV-2 or severe acute respiratory syndrome coronavirus 2. Google Scholar; 12. Epidemiology. The HRCT appearance of pulmonary sarcoidosis varies greatly and is known to mimic many other diffuse infiltrative lung diseases. Bai HX, Hsieh B, Xiong Z et al. CT has a higher sensitivity but lower specificity and can play a role in the diagnosis and treatment of the disease. Three chest radiologists (F.Song, N.S., and Y.S., with approximately 6–32 years of experience in thoracic imaging, especially in the setting of viral pneumonias such as H1N1 and H7N9 pneumonia) reviewed the images independently, with a final finding reached by consensus when there was a discrepancy. Student ... 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