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SARS: Imaging of Severe Acute Respiratory Syndrome

Savvas Nicolaou1, Nizar A. Al-Nakshabandi and Nestor L. Müller

1 All authors: Department of Radiology, Vancouver General Hospital, University of British Columbia, 899 W. 12th Ave., Vancouver, B. C., V5Z 1M9, Canada.



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  		Fig. 1A. —55-year-old previously healthy man with history of recent travel to Hong Kong. Bedside anteroposterior computed radiograph obtained with patient upright shows extensive bilateral ground-glass opacities and poorly defined nodular pattern. Abnormalities are diffuse in right lung, but radiograph shows relative sparing of left lung apex. Mild air-space consolidation is seen in retrocardiac region of right lower lobe. Note mild cardiomegaly.

 


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  		Fig. 1B. —55-year-old previously healthy man with history of recent travel to Hong Kong. Bedside anteroposterior computed radiograph obtained with patient supine 12 hr after initial radiograph (A) shows diffuse bilateral air-space consolidation. Note prominent air bronchograms, low position of endotracheal tube, and gaseous distention of stomach. Radiographic findings and rapid progression are consistent with adult respiratory distress syndrome.

 


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  		Fig. 1C. —55-year-old previously healthy man with history of recent travel to Hong Kong. Transverse unenhanced image obtained on multidetector four-track CT scanner (LightSpeed QX/i, General Electric Medical Systems, Milwaukee, WI) at level of apical segments of upper lobes shows extensive bilateral areas of ground-glass attenuation, more severe on right, and focal areas of consolidation in right upper lobe. Note lobular areas of sparing particularly in left upper lobe.

 


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  		Fig. 1D. —55-year-old previously healthy man with history of recent travel to Hong Kong. CT image obtained at level of right upper lobe bronchus shows diffuse bilateral areas of ground-glass attenuation and dependent areas of consolidation.

 


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  		Fig. 1E. —55-year-old previously healthy man with history of recent travel to Hong Kong. CT image obtained at level of lower lobe bronchi shows findings similar to those in B.

 


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  		Fig. 1F. —55-year-old previously healthy man with history of recent travel to Hong Kong. CT image obtained at mediastinal window settings (width and level, 350 and 35 H, respectively) shows dependent consolidation and small bilateral pleural effusions. Note presence of air bronchograms.

 

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