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Imaging of coronavirus disease 2019 part 17

Critical stage disease may show further expansion of consolidations, with the whole lung showing increased opacity, a so-called “white lung”. In recovery stage patients, the lesion area is reduced and absorbed, or only residual fibrous lesions are seen. Less common … Continue reading

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Imaging of coronavirus disease 2019 part 16

The lesion range can be acinar, leaflet, lung segment or lung lobe. Lesions are distributed as bilateral asymmetrical  subpleural wedge-shaped or fan-shaped, mostly in the caudal lesions of the lung and dorsal subpleural area. When interlobular septa and intralobular interstitium … Continue reading

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Imaging of coronavirus disease 2019 part 15

Disease progression mostly occurs in course of 7-10 days, with enlarged and increased density of GGO, and consolidated lessions with air bronchogram sign. GGOs from the early stage expand, and the density increases gradually. Consolidation shows increased lung parenchimal density, … Continue reading

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Imaging of coronavirus disease 2019 part 14

Typical features on chest CT Typical features on chest CT include ground-glass opacity with a cloud-like change on chest CT, not obscuring the accompanying pulmonary vascular structures in lungs. Corresponding pathological changes are exudation in the alveolar cavity with partial … Continue reading

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Imaging of coronavirus disease 2019 part 13

Typical features on chest X-Ray Multiple small patchy shadows and interstitial changes in the lower zone of lungs are typical imaging features in common type patients. With the progression of the disease, it may manifest as a patchy distribution or … Continue reading

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Imaging of coronavirus disease 2019 part 12

It is recommended to use volume CT with a maximum acquisition  slice thickness of 5mm (>16 slice multi-detector CT) and a reconstruction slice thickness  of 1.0-1.5mm. Multi-planar reformats (transverse, sagittal and coronal planes) are beneficial for the early detection of … Continue reading

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Imaging of coronavirus disease 2019 part 11

The sensitivity and specificity chest X-ray for mild type patients are relatively low. It is not recommended for patients with early COVID-19 stage. Chest CT scans can demonstrate almost all abnormalities including early mild exudative lesions. Chest CT is the … Continue reading

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Imaging of coronavirus disease 2019 part 10

Recommendation for chest imaging techniques Imaging, in particular chest X-ray and computed tomography (CT), is important in the detection of lung lesions, assessment of lesion size, density, and evolution. Chest X-ray examination is convenient and fast, and has been proven … Continue reading

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Imaging of coronavirus disease 2019 part 9

The radiology department should prepare the requirements of COVID-19 imaging examination workflows, including but not limited to: set up a special waiting area and examination room for COVID-19 patients require all radiologist, technologists and nurses to master skills of prevention … Continue reading

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Imaging of coronavirus disease 2019 part 8

Infection prevention and control is a new task and serious challenge facing the radiology department in China. All members must  fully understand the epidemic situation and fully grasp the knowledge of infection control. The work process and working mode must … Continue reading

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