ArticleRespirology case reports2025
Position-Dependent Lung Shadow Movement.
Article in Respirology case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
10 authors.
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Abstract
A 73-year-old male presented with an abnormal chest x-ray revealing ground-glass opacity (GGO) in the left lower lung field, accompanied by elevated KL-6, SP-D, and GM-CSF antibody levels, indicative of autoimmune pulmonary alveolar proteinosis (PAP). Initial bronchoalveolar lavage and transbronchial lung biopsy revealed only nonspecific findings. During a CT-guided needle aspiration biopsy (CT-NAB), real-time imaging showed that GGO gradually moved and shifted with positional changes. Although PAP is not fully confirmed yet due to a lack of pathological findings, this case highlights several clinical suggestions for patients with atypical lung shadows, including those with suspicion of PAP. Further, this is the first report of lung shadow mobility during CT-NAB, emphasising the need for further studies to elucidate the pathophysiology of lung shadows and improve diagnostic accuracy.
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