PubMed · 13423102
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G N TREISTER, Ia M SHAPOVALIUK. 1956. [A table for segmental bronchiography].. https://pubmed.ncbi.nlm.nih.gov/13423102/
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Organizing pneumonia (OP) is a clinical-pathological entity that, if idiopathic, makes part of the idiopathic interstitial pneumonias classification of the American Thoracic Society/European Respiratory Society (ATS/ERS) of 2002 (50% of the cases, called cryptogenic organizing pneumonia, or COP). In the remaining 50% it is secondary, representing one modality of response of the lung to various forms of injury. Typical computed tomography (CT) pattern has been widely described and consists of peripheral parenchymal consolidations with air bronchogram with or without surrounding ground-glass-like opacities. The purpose of this article is to describe the less frequent imaging pattern of this disease represented by single or multiple focal lesions (nodules or masses that place diagnostic problems with malignancy), bronchocentric pattern (parenchymal consolidations with peribronchovascular distribution), atoll sign (central area of ground-glass-like density and peripheral area of consolidation), nodular lesions (poorly defined micronodular pattern), linear and band-like opacities (subpleural linear opacities that can have disposition parallel or perpendicular in relation to the pleura), perilobular pattern (thickening of the interlobular septa with reticular pattern) and progressive fibrotic pattern (irregular thickening of the interlobular septa with associated ground-glass-like appearance and consolidations).
This article discusses and illustrates the insights gained from CT imaging of the lungs in infants and young children who do not have respiratory motion and at end-inspiratory and resting end-expiratory lung volumes using noninvasive controlled ventilation CT technique. The potential role of noninvasive controlled ventilation CT in developing quantitative measures of airway disease is highlighted and clinical examples demonstrating the use of the technique are shown.
The most common causes of pulmonary edema are cardiac failure, renal failure and injury edema (diffuse alveolar damage). The injury edema typically shows airspace consolidation due to exsudation of fluid in the periphery of the lung with air bronchograms, no interstitial fluid accumulation can be found and only rarely pleural effusions are present. Cardiac and renal edemas often show a mixed interstitial and alveolar transudation without air bronchograms. Pleural effusions are often present. Both usually have an increased heart-size and an increased vascular pedicle width. To distinguish them better one has to look at the distribution of the pulmonary edema: The cardiac edema typically shows a gravitational and the renal edema a central distribution.