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Neumología y cirugía de tórax

Print version ISSN 0028-3746


JUAREZ-HERNANDEZ, Fortunato et al. CT findings in COVID-19 lung disease, initial experience at Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México. Neumol. cir. torax [online]. 2020, vol.79, n.2, pp.71-77.  Epub Feb 28, 2022. ISSN 0028-3746.


The SARS-CoV-2 pandemic is a major public health problem worldwide, with high morbidity and mortality rates. Computed tomography (CT) is essential in the diagnostic process given its high sensitivity.


To describe the tomographic findings in COVID-19 lung involvement.

Material and methods:

Analytical cross-sectional study. Patients attended at the INER, CDMX, with a current operational definition of a suspected case for COVID-19, who had a specific RT-PCR test and chest CT in the initial evaluation. A descriptive and analytical analysis was performed using the Student’s χ2 and t tests. The Epi-Info version 7 program was used.


56 patients were analyzed, with an average age of 51 years, 61% were male. 52% presented comorbidities, with diabetes mellitus being the most frequent. The symptoms that were mostly observed were fever, cough and headache. The tomographic pattern that predominated was mixed, with a subpleural and bilateral location.


The pulmonary tomographic spectrum of the studied population was characterized by two main patterns: mixed type (areas of ground glass consolidation) and crazy paving.

Keywords : Pneumonia viral; SARS-CoV-2; COVID-19; computed tomography; INER.

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