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Air Trapping
- Video
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Mosaic attenuation
Small Airways are obstructed and air is trapped Sometimes small vessel disease, as in vasculltis, can lead to the air trapping
Ashley Davidoff MD TheCommonVein.net
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Consolidation
- Video
FOCAL CONSOLIDATION IN ILD
Focal consolidations or infiltrates are another feature of interstitial lung disease (yellow ring with obscuration of the airways and vessels Courtesy You Tube on ILD
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Crazy Paving
CRAZY PAVING IN ILD
Crazy paving in ILD is another another CT feature of interstitial lung disease and is characterised by diffuse ground glass caused by a combination of interlobular septal and intralobular septal thickening resulting well demarcated patchy densities in the lungs. Courtesy You Tube on ILD-
Cysts
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Pulmonary Langerhans Cell Histiocytosis
Thiin Walled Bizarre Shaped Upper Lobe Cysts
Ashley Davidoff MD TheCommonVein.net
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Ground Glass Opacity
- Video
GROUND GLASS MORPHOLOGY
Ground glass infiltrates are one of the features of interstitial lung disease with increased density without obscuring the airways and vessels Courtesy You Tube on ILD
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Honeycomb Change
- Video
HONEYCOMB CHANGES IN ILD
Honeycomb changes in ILD is a feature on CT of interstitial lung disease and is characterised by clusters of stacked cystic air spaces in the periphery and predominantly posteriorly at the bases of the lungs . They likely represent small airways that have been denuded of the their alveoli apparatus. It is most commonly associated with idiopathic pulmonary fibrosis (IPF) and its radiological equivalent UIP ? usual interstitial pneumonia. You Tube on ILD
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Nodules
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NODULAR PATTERN ON CXR
Frontal view exemplifies a diffuse nodular pattern of ILD such as is seen in silicosis and sarcoidosis
Courtesy You Tube on ILDNODULES IN ILD
Micronodules in ILD is another another CT feature of interstitial lung disease and is characterised by nodules of a variety of shapes and sizes and likely centrilobular in origin. Sometimes they are ill defined such as in this case. You Tube on ILD
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Reticulation
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RETICULAR PATTERN ON CXR
Frontal view exemplifies a diffuse reticular pattern of ILD
https://www.youtube.com/watch?v=EqGT7IgUHU859-year-old male presents with history of scleroderma, , Raynaud’s disease, and ILD
Axial CT shows peripheral reticular changes, and bronchiolectasis in the right upper lobe
Ashley Davidoff MD TheCommonVein.net59-year-old male presents with history of scleroderma, , Raynaud’s disease, and ILD
Axial CT shows peripheral reticular changes, and bronchiolectasis in the right upper lobe
Ashley Davidoff MD TheCommonVein.net 110Lu 136595
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Traction Bronchiectasis
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TRACTION BRONCHIECTASIS IN ILD
Traction bronchiectasis and bronchiolectasis (yellow ring) is as a result of fibrotic traction on the airways. You Tube on ILD
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Volume Loss

Coronal CT shows symmetrical bibasilar reticular change, bronchovascular thickening , ground glass changes and subpleural sparing, all features characteristic of NSIP
Ashley Davidoff MD TheCommonVein.net 110Lu 136592