Paclitaxel-Induced Hypersensitivity Pneumonitis
Radiographic and CT Findings
Patricia Wong1,
Ann N. Leung1,
Gerald J. Berry2,
Kristin A. Atkins2,
Jose G. Montoya3,
Stephen J. Ruoss4 and
Frank E. Stockdale5
1
Department of Radiology, S072A, Stanford University Medical Center, Stanford,
CA 94305-5105.
2
Department of Pathology, Stanford University Medical Center, Stanford, CA
94305-5105.
3
Division of Infectious Diseases, Stanford University Medical Center, Stanford,
CA 94305-5105.
4
Division of Pulmonary and Critical Care, Stanford University Medical Center,
Stanford, CA 94305-5105.
5
Division of Oncology, Stanford University Medical Center, Stanford, CA
94305-5105.

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Fig. 1A. 61-year-old woman with paclitaxel-induced hypersensitivity
pneumonitis. Close-up radiographic view of left upper lung zone shows
reticulonodular opacities.
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Fig. 1B. 61-year-old woman with paclitaxel-induced hypersensitivity
pneumonitis. CT scan (7-mm collimation) shows bilateral patchy areas of
increased parenchymal attenuation in upper lobes.
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Fig. 1C. 61-year-old woman with paclitaxel-induced hypersensitivity
pneumonitis. Intermediate power microscopy shows temporally uniform cellular
mononuclear-cell interstitial pneumonitis without vasculitic or neoplastic
changes. (H and E, x200) Insert shows high-power view of histiocytic
collections forming vague granulomas. (H and E, x500)
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Copyright © 2001 by the American Roentgen Ray Society.