• Luis A Concha-Rebollar, Eva A Izquierdo-Echávarri, Luis F Alva-López, Francisco J Ayala-Ochoa, and Vito S Hernández-Melchor.
• Imaging Department, Hospital Médica Sur. Mexico City, Mexico.
• Gac Med Mex. 2020 Jan 1; 156 (5): 390-396.

BackgroundFrom the first report of the respiratory disease caused by SARS-Cov-2 towards the end of 2019, in Wuhan, China, to June 8, 2020, 6,931,000 people had been affected in the world, and 113,619 in Mexico, where there is a lack of literature describing the tomographic behavior of this disease throughout its evolution and its correlation with patient clinical data.ObjectiveTo identify, describe and classify the manifestations detected on chest computed tomography images of patients with pneumonia caused by SARS-CoV-2.MethodHospitalized patients with RT-PCR-confirmed SARS-CoV-2 infection and who underwent a plain chest tomography were included.ResultsThe most common tomographic patterns were ground glass opacity, consolidation, cobblestone pattern and mixed pattern, with peripheral and subpleural distribution and bilateral involvement in up to 95 %. Subpleural bands that distorted the architecture were identified in up to 62 % of patients, with an average of seven days of evolution. The most common extrapulmonary finding was an increase in pulmonary artery transverse axis.ConclusionKnowing the behavior of this type of pneumonia allows becoming familiarized with the characteristic tomographic patterns, in order to aid timely detection and treatment.Copyright: © 2019 Permanyer.

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