Focal Pulmonary Interstitial Opacities Adjacent to Thoracic Spine Osteophytes
Shoichiro Otake1,
Masashi Takahashi2 and
Takeo Ishigaki3
1 Department of Radiology, Toki Municipal General Hospital, 703-24 Tokitsuguchi,
Tokitsu-cho, Toki, Gifu 509-5193 Japan.
2 Department of Radiology, Shiga University of Medical Science, Ohtsu, Shiga
520-2192 Japan.
3 Department of Radiology, Nagoya University School of Medicine, Nagoya, Aichi
466-8550 Japan.

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Fig. 1. CT image shows reticular pattern (arrow) adjacent to
8-mm-thick osteophyte in 71-year-old woman.
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Fig. 2. CT image shows linear pattern (arrow) adjacent to
10-mm-thick osteophyte in 71-year-old woman.
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Fig. 3A. 57-year-old woman with focal interstitial opacity. CT image
obtained with patient in supine position shows reticular pattern
(arrow) adjacent to 10-mm-thick osteophyte.
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Fig. 3B. 57-year-old woman with focal interstitial opacity. CT image
obtained with patient in prone position also shows reticular pattern
(arrow), which suggests irreversible change.
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Fig. 4A. 75-year-old man who died from rupture of left common iliac
aneurysm. Photograph of posterior aspect of lower lobe of right lung shows
focal lesion (arrows).
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Fig. 4B. 75-year-old man who died from rupture of left common iliac
aneurysm. CT image shows reticular pattern (white arrow) adjacent to
10-mm-thick osteophyte. Note aneurysm of descending aorta (black
arrow).
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Fig. 4C. 75-year-old man who died from rupture of left common iliac
aneurysm. Axial section of gross specimen corresponding to B shows
white change uniformly spreading in subpleural region (arrows).
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Fig. 4D. 75-year-old man who died from rupture of left common iliac
aneurysm. Photomicrograph of histopathologic specimen shows collapse of
alveolar spaces in subpleural region (arrows). (H and
E,x40)
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Fig. 4E. 75-year-old man who died from rupture of left common iliac
aneurysm. Photomicrograph obtained with higher magnification than that shown
in D reveals increase in collagen fibers (asterisks). (Azan
stain,x100)
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Copyright © 2002 by the American Roentgen Ray Society.