Typical CT features of COVID-19 pneumonia include bilateral lung involvement in form of ground-glass opacities, predominantly in peripheral posterior distribution with lower lung zone predilection. • Subpleural sparing and pleural effusion are seen approximately in one-fifth and onesixth of our COVID-19 cases respectively. • Consolidation, air-bronchograms, central lung involvement and pleural effusion on initial CT chest have prognostic value, seen significantly more in ICU admitted and expired cases. Summary statement: In the evaluation of initial CT chest features of 120 confirmed cases of COVID-19, certain findings are statistically more common in critically ill and expired patients after a short-term follow up including consolidation, air-bronchograms, crazy paving, central lung involvement, and pleural effusion.
Rationale and objectives: There is a rising onus on understanding the common features of COVID-19 pneumonia on different imaging modalities. In this study, we aimed to review and depict the common MRI features of COVID-19 pneumonia in our laboratory confirmed case series, the first comprehensive reported cohort in the literature. Materials and methods: Upon IRB approval, eight laboratory confirmed COVID-19 patients who presented to our outpatient imaging clinic underwent chest CT and, once various features of COVID-19 pneumonia were identified, a dedicated multisequence chest MRI was performed on the same day with an institutional protocol. Demographic data and the morphology, laterality and location of the lesions were recorded for each case. Results: Five males and three females with the mean age of 40.63 ± 12.64 years old were present in this case series. Five cases had typical CT features with ground glass opacities and consolidations, readily visible on different MRI sequences. Three cases had indeterminate or atypical features which were also easily seen on MRI. The comprehensive review of MRI features for each case and representative images have been illustrated. Conclusion: Becoming familiar with typical findings of COVID-19 pneumonia in MRI is crucial for every radiologist. Although MRI is not the modality of choice for evaluation of pulmonary opacities, it has similar capabilities in detection of COVID-19 pneumonia when compared to chest CT.
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