Widespread Ground-Glass Opacity of the Lung in Consecutive Patients Undergoing CT: Does Lobular Distribution Assist Diagnosis?
Rosita M. Shah1 and
Wallace Miller, Jr.2
1 Department of Radiology, Thomas Jefferson University Hospital, 111 S. 11th
St., 3390 Gibbon, Philadelphia, PA 19107.
2 Department of Radiology, University of Pennsylvania Hospital, Philadelphia, PA
19104.

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Fig. 1. 45-year-old HIV-positive woman with pneumocystis pneumonia.
High-resolution CT scan shows random distribution of ground-glass opacity.
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Fig. 2. 62-year-old man 1 month after renal transplantation with
cytomegalovirus pneumonitis. Targeted high-resolution CT scan of right lung
shows ground-glass opacity with prominent centrilobular features.
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Fig. 3. 68-year-old man with nonspecific interstitial pneumonitis.
High-resolution CT scan at lung bases reveals focal areas of ground-glass
opacity with random distribution.
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Fig. 4. 41-year-old woman with desquamative interstitial pneumonitis.
High-resolution CT scan of right upper lobe reveals centrilobular distribution
of ground-glass opacity.
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Fig. 5. 23-year-old woman after bone marrow transplantation for acute
lymphocytic leukemia with acute alveolar hemorrhage. Targeted high-resolution
CT scan of right upper lobe reveals lobular distribution of ground-glass
opacity.
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Fig. 6. 57-year-old man with bronchogenic carcinoma with acute
radiation pneumonitis and histologic evidence of diffuse alveolar damage.
High-resolution CT scan reveals widespread, randomly distributed ground-glass
opacity. Sharp lateral margin in right lung corresponds to known radiation
field.
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Fig. 7. 72-year-old woman with colon cancer after treatment with
CPT-11. High-resolution CT scan reveals widespread ground-glass opacity with
lobular distribution.
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Copyright © 2003 by the American Roentgen Ray Society.