Case Report
COVID-19, A New Possible Mimicker of Interstitial Lung Disease Related to Primary Sjögren’s Syndrome
Table 2
Typical HRCT finding, lesions distribution, and acute exacerbation features on HRCT scans in COVID-19 and pSS-ILD from various studies [
14–
18].
| | | COVID-19 | pSS–ILD |
| | Typical findings | | GGO | 71.64% | 87.88% | | Vascular enlargement | 65.41% | — | | Subpleural bands | 52.54% | — | | Interlobular septal thickening | 43.28% | — | | Septal/subpleural lines | — | 81.82% | | Pleural thickening/irregularities in pleural margins | 38.25% | 21% | | Consolidation | 29.15% | — | | Crazy paving pattern | 28.74% | — | | Subpleural cysts | — | 40.90% | | Honeycombing | — | 28.79% | | Bronchial wall thickening | 20.71% | — | | Traction bronchiectasis | 20.36% | — | | Parenchymal micronodules/nodules | 14.84% | 92.42% | | Distribution | Bilateral, peripheral distribution | Bilateral, symmetric distribution | | Acute respiratory distress syndrome/acute exacerbation | Patchy confluent areas of GGO and consolidations with a typical anteroposterior gradient | New extensive bilateral GGOs, sometimes accompanied with consolidations, with a variable distribution (peripheral, multifocal or diffuse) |
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— = no available data.
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