Abstract
Interstitial pneumonia encompasses a diverse group of lung pathologies from acute to chronic, infectious to inflammatory. In all cases, the end result is thickening of the lung interstitium, the lacelike tissue supporting the alveoli.
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Keywords
Describe the classic CXR appearance of acute interstitial pneumonia [3]. | Diffuse heterogeneous opacities. |
Describe the classic CT appearance of acute interstitial pneumonia [3]. | Extensive symmetric ground-glass opacities associated with traction bronchiectasis. |
Which imaging modality is preferred for characterizing diffuse pulmonary disease? [3] | CT. |
What is a key radiologic difference between acute interstitial pneumonia and desquamative interstitial pneumonia? [4] | DIP does not have traction bronchiectasis. |
Bilateral, lower zone-predominant ground-glass opacities ± subpleural intralobular lines are suggestive of which type of interstitial pneumonia? [5] | Desquamative interstitial pneumonia. |
What are the common demographics for desquamative interstitial pneumonia? [5] | Smokers; M:F, 2:1; age, 40–60. |
Bilateral, diffuse, ground-glass opacities in an immunocompromised patient suggests which pathogen? [1,2,3] | Pneumocystis jirovecii. |
What is the best imaging modality for pneumocystis pneumonia? [6] | HRCT. |
What is the best diagnostic clue on CT for lymphoid interstitial pneumonia? | Ground-glass opacities ± pulmonary cysts. |
What is seen on CXR of lymphoid interstitial pneumonia? | Basilar reticular/reticulonodular opacities. |
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Mitsuyama, R. (2019). Interstitial Pneumonia. In: Eltorai, A., Hyman, C., Healey, T. (eds) Essential Radiology Review. Springer, Cham. https://doi.org/10.1007/978-3-030-26044-6_33
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DOI: https://doi.org/10.1007/978-3-030-26044-6_33
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