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  2. Chest radiograph - Wikipedia

    en.wikipedia.org/wiki/Chest_radiograph

    Underexpansion can also cause interstitial markings due to parenchymal crowding, which can mimic the appearance of interstitial lung disease. Enlargement of the right descending pulmonary artery can indirectly reflect changes of pulmonary hypertension , with a size greater than 16 mm abnormal in men and 15 mm in women.

  3. Peribronchial cuffing - Wikipedia

    en.wikipedia.org/wiki/Peribronchial_cuffing

    Peribronchial cuffing, also referred to as peribronchial thickening or bronchial wall thickening, is a radiologic sign which occurs when excess fluid or mucus buildup in the small airway passages of the lung causes localized patches of atelectasis (lung collapse). [1] This causes the area around the bronchus to appear more prominent on an X-ray ...

  4. Interstitial lung disease - Wikipedia

    en.wikipedia.org/wiki/Interstitial_lung_disease

    Interstitial lung disease (ILD), or diffuse parenchymal lung disease (DPLD), [3] is a group of respiratory diseases affecting the interstitium (the tissue) and space around the alveoli (air sacs) of the lungs. [4] It concerns alveolar epithelium, pulmonary capillary endothelium, basement membrane, and perivascular and perilymphatic tissues. It ...

  5. Ground-glass opacity - Wikipedia

    en.wikipedia.org/wiki/Ground-glass_opacity

    High-resolution CT image showing ground-glass opacities in the periphery of both lungs in a patient with COVID-19 (red arrows). The adjacent normal lung tissue with lower attenuation appears as darker areas. Ground-glass opacity (GGO) is a finding seen on chest x-ray (radiograph) or computed tomography (CT) imaging of the lungs.

  6. Lymphangioleiomyomatosis - Wikipedia

    en.wikipedia.org/wiki/Lymphangioleiomyomatosis

    Preservation of lung volumes in the presence of increased interstitial markings is a radiographic hallmark of LAM that helps distinguish it from most other interstitial lung diseases, in which alveolar septal and interstitial expansion tend to increase the lung's elastic recoil properties and decreased lung volumes. [citation needed]

  7. ILO Classification - Wikipedia

    en.wikipedia.org/wiki/ILO_Classification

    Parenchymal Abnormalities: Close-up right upper zone 2/2 R/R Small Opacities : The reader will categorize small opacities according to shape and size. The small, rounded opacities are p (up to about 1.5 mm), q (about 1.5 mm to about 3 mm), or r (exceeding about 3mm and up to about 10 mm).

  8. Tuberculosis radiology - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis_radiology

    2. Any cavitary lesion - Lucency (darkened area) within the lung parenchyma, with or without irregular margins that might be surrounded by an area of airspace consolidation or infiltrates, or by nodular or fibrotic (reticular) densities, or both. The walls surrounding the lucent area can be thick or thin. Calcification can exist around a cavity.

  9. Zones of the lung - Wikipedia

    en.wikipedia.org/wiki/Zones_of_the_lung

    Zone 4 can be seen at the lung bases at low lung volumes or in pulmonary edema. Pulmonary interstitial pressure (Pi) rises as lung volume decreases due to reduced radial tethering of the lung parenchyma. Pi is highest at the base of the lung due to the weight of the above lung tissue.