Severe Acute Respiratory Syndrome: Radiographic and CT Findings
Nestor L. Müller1,
Gaik C. Ooi2,
Pek Lan Khong2 and
Savvas Nicolaou1
1 Department of Radiology, Vancouver General Hospital, University of British
Columbia, 899 W. 12th Ave., Vancouver, BC V5Z 1M9, Canada.
2 Department of Diagnostic Radiology, The University of Hong Kong, Queen Mary
Hospital, Hong Kong Special Administrative Region, Republic of China.
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Fig. 1A. —29-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained at hospital admission shows ill-defined hazy
increased density (i.e., ground-glass opacity) in right middle lung zone.
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Fig. 1B. —29-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained 24 hr after A shows dense focal
consolidation.
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Fig. 2A. —24-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained at hospital admission shows faint patchy
ground-glass opacities in lower lobes.
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Fig. 2B. —24-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained 24 hr after A reveals bilateral patchy areas
of consolidation.
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Fig. 3. —Chest radiograph obtained in 44-year-old woman with severe
acute respiratory syndrome reveals patchy bilateral areas of
consolidation.
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Fig. 4A. —64-year-old man with severe acute respiratory syndrome. Chest
radiograph obtained at admission with patient supine reveals diffuse small
nodular opacities throughout both lungs. Patient was immediately intubated for
assisted ventilation.
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Fig. 4B. —64-year-old man with severe acute respiratory syndrome.
Repeated radiograph (B) and magnified radiographic image (C) of
right lower lobe show nodular opacities more clearly than does A.
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Fig. 4C. —64-year-old man with severe acute respiratory syndrome.
Repeated radiograph (B) and magnified radiographic image (C) of
right lower lobe show nodular opacities more clearly than does A.
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Fig. 5A. —27-year-old man with severe acute respiratory syndrome. Chest
radiograph acquired at hospital admission shows no obvious abnormality.
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Fig. 5B. —27-year-old man with severe acute respiratory syndrome.
High-resolution CT scan obtained on same day as A shows focal area of
consolidation in superior segment of left lower lobe with adjacent
ground-glass opacification. Subpleural ground-glass opacification is also
present in contralateral lung.
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Fig. 6A. —48-year-old man with severe acute respiratory syndrome. Chest
radiograph obtained 12 hr after hospital admission shows subtle bilateral
ground-glass opacities, with relative sparing of left upper lobe. Radiographic
findings were similar to those seen on radiograph obtained just before
hospital admission.
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Fig. 6B. —48-year-old man with severe acute respiratory syndrome.
High-resolution CT scans obtained at level of distal trachea (B) and
bronchus intermedius (C) on same day as chest radiograph reveals
extensive bilateral ground-glass opacities. Sharp demarcation between normal
and abnormal parenchyma is visible.
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Fig. 6C. —48-year-old man with severe acute respiratory syndrome.
High-resolution CT scans obtained at level of distal trachea (B) and
bronchus intermedius (C) on same day as chest radiograph reveals
extensive bilateral ground-glass opacities. Sharp demarcation between normal
and abnormal parenchyma is visible.
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Fig. 7A. —64-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained at admission shows area of consolidation in right
perihilar region and ground-glass opacities in right middle and lower lung
zones.
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Fig. 7B. —64-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained 1 day after A reveals extensive consolidation
in right lung and focal consolidation in left lung.
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Copyright © 2003 by the American Roentgen Ray Society.
