Eight Cases of Severe Acute Respiratory Syndrome Presenting as Round Pneumonia
Yung-Liang Wan1,
Han-Ping Kuo2,
Ying-Huang Tsai2,
Yao-Kuang Wu2,
Chun-Hua Wang2,
Chien-Ying Liu2,
Kuo-Chin Kao2 and
Sheung-Fat Ko3
1 Department of Diagnostic Radiology, Chang Gung Memorial Hospital at Linkou,
School of Medicine, Chang Gung University, 5 Fu-Hsing Rd., Kweishan, Taoyuan
Hsien 333, Taiwan.
2 Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou,
School of Medicine, Chang Gung University, Kweishan, Taoyuan Hsien 333,
Taiwan.
3 Department of Diagnostic Radiology, Chang Gung Memorial Hospital at Kaohsiung,
School of Medicine, Chang Gung University, 123 Ta-Pei Rd., Kaohsiung Hsieng
833, Taiwan.

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Fig. 1A. 18-year-old woman with severe acute respiratory syndrome.
Initial chest radiograph obtained 1 day after onset of fever reveals round
opacity in right lower lung that is 5 cm in diameter. Lesion persisted for 9
days without change in diameter.
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Fig. 1B. 18-year-old woman with severe acute respiratory syndrome.
Follow-up radiograph obtained on day 10 after onset of fever reveals that
previous round opacity in right lower lung has become ill-defined air-space
opacity.
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Fig. 2A. 24-year-old woman with severe acute respiratory syndrome.
Anteroposterior chest radiograph obtained 4 days after onset of fever shows
subtle, patchy, ill-defined air-space opacity (arrowheads) in right
lower lung.
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Fig. 2B. 24-year-old woman with severe acute respiratory syndrome.
Follow-up radiograph obtained on day 5 after onset of fever shows well-defined
round opacity in right lower lung that is 3 cm in diameter. Round opacity was
seen for 3 days.
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Fig. 2C. 24-year-old woman with severe acute respiratory syndrome.
Follow-up radiograph from day 8 after onset of fever shows previously
well-defined round opacity has become ill-defined air-space opacity.
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Fig. 3A. 23-year-old woman with severe acute respiratory syndrome.
Anteroposterior chest radiograph obtained 7 days after onset of fever shows
subtle interstitial infiltrates (arrowheads) in right lower lung.
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Fig. 3B. 23-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained 10 days after onset of fever shows well-defined
round opacity in right lower lung that is 3.7 cm in diameter. Round opacity
was seen for 1 day.
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Fig. 3C. 23-year-old woman with severe acute respiratory syndrome.
Chest radiograph obtained 11 days after onset of fever shows previously
well-defined round opacity, shown on B, has become ill-defined
air-space opacity (arrowheads). Note that previous reticular
infiltrates (arrowheads, A) had regressed by the time this
image was obtained.
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Copyright © 2004 by the American Roentgen Ray Society.