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Migrating ground glass opacities on computed tomography due to gravitation in a patient with pulmonary alveolar proteinosis

Eiki Ichihara, Nagio Takigawa, Katsuya Kato, Yasushi Tanimoto, Ichiroh Yamadori, Katsuyuki Kiura, Mitsune Tanimoto
  • Eiki Ichihara
    Okayama University Hospital, Japan
  • Katsuya Kato
    Okayama University Hospital, Japan
  • Yasushi Tanimoto
    Okayama University Hospital, Japan
  • Ichiroh Yamadori
    Okayama Medical Center, Japan
  • Katsuyuki Kiura
    Okayama University Hospital, Japan
  • Mitsune Tanimoto
    Okayama University Hospital,

Abstract

An 80-year-old man presented with heterogeneous ground glass opacity, with interlobular septal thickening in the left lower lobe. The histology of a surgical lung biopsy showed alveolar proteinosis. Computed tomography revealed that the ground glass opacity and interlobular septal thickening observed dorsally in the supine position migrated to the ventral side in the prone position. To the best of our knowledge, this is the first report of a posture-dependent migrating shadow in a patient with pulmonary alveolar proteinosis.

Keywords

pulmonary alveolar proteinosis, gravitation effect, interlobular septal thickening

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Submitted: 2011-03-02 16:43:49
Published: 2011-04-11 18:22:40
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Copyright (c) 2011 Eiki Ichihara, Nagio Takigawa, Katsuya Kato, Yasushi Tanimoto, Ichiroh Yamadori, Katsuyuki Kiura, Mitsune Tanimoto

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