Abstract
Background COVID-19 first broke out in China and spread rapidly over the world. Objectives To describe the CT features of COVID-19 pneumonia and to share our experience at initial diagnoses. Patients and Methods. Data from 53 patients (31 men, 22 women; mean age, 53 years; age range, 16-83 years) with confirmed COVID-19 pneumonia were collected. Their complete clinical data was reviewed, and their CT features were recorded and analyzed. Results The average time between onset of illness and the initial CT scan was six days (range, 1-42 days). A total of 399 segments were involved and distributed bilaterally (left lung: 186 segments [46.6%], right lung: 213 segments [53.4%]) and peripherally (38 [71.7%] patients). Multiple lobes (45 [84.9%]) and bilateral lower lobes (left lower lobe: 104 [26.1%], right lower lobe: 107 [26.8%], and total: 211 [52.9%]) were the most commonly involved. Ground-glass opacity with consolidation (24 [45.3%]) and pure ground-glass opacity (28 [52.8%]) were the main findings. The other findings were crazy-paving (14 [26.4%]), bronchiectasis (12 [22.6%]), atelectasis (7 [13.2%]), parenchymal bands (6 [11.3%]), air bronchogram (6 [11.3%]), interlobular thickening (5 [9.4%]), reticular pattern (1 [1.9%]), and pleural effusion (1 [1.9%]). Conclusions Most COVID-19 pneumonia patients had abnormalities on chest CT images at initial presentation. Imaging features combined with patient's exposure history and onset symptoms could facilitate the identification of the suspected patient for further examinations.
Highlights
IntroductionAn epidemic novel coronavirus infection broke out in Wuhan (the capital city of Hubei Province in central China) in December 2019
An epidemic novel coronavirus infection broke out in Wuhan in December 2019
COVID-19 is a new viral infection in humans caused by severe acute respiratory syndrome coronavirus 2 (SARSCoV-2) in the Coronaviridae family
Summary
An epidemic novel coronavirus infection broke out in Wuhan (the capital city of Hubei Province in central China) in December 2019. From December 31, 2019, to January 3, 2020, a total of 44 patients with pneumonia of unknown etiology were reported to WHO [1]. As this infection broke out during the spring-festival travel rush, it spread rapidly to all provinces of China, and cases were subsequently found in 26 countries worldwide [2]. Data from 53 patients (31 men, 22 women; mean age, 53 years; age range, 16-83 years) with confirmed COVID-19 pneumonia were collected. Their complete clinical data was reviewed, and their CT features were recorded and analyzed. Imaging features combined with patient’s exposure history and onset symptoms could facilitate the identification of the suspected patient for further examinations
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