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Updates to Article Attributes
-<p><strong>Perilobular fibrosis </strong>is<strong> </strong>a pattern of <a href="/articles/pulmonary-fibrosis" title="Pulmonary fibrosis">pulmonary fibrosis</a> along the peripheral septa of <a href="/articles/secondary-pulmonary-lobule" title="secondary pulmonary lobule">secondary pulmonary lobule</a>s and is a typical feature in some cases of <a href="/articles/cryptogenic-organising-pneumonia-1" title="Cryptogenic organising pneumonia">organising pneumonia</a> <sup>5</sup> and eosinophilic pneumonia <sup>7</sup>.</p><h4>Pathology</h4><p>Organising pneumonia is a common response to lung injury and the histological correlate is polypoid fibroblastic aggregations plugging alveolar sacs, ducts and bronchioles, which typically accompanies other injurious disease such as <a href="/articles/pneumonia" title="Pneumonia">pneumonia</a>, <a href="/articles/connective-tissue-disease" title="Collagen vascular disease">collagen vascular disease</a>, <a href="/articles/hypersensitivity-pneumonitis" title="Hypersensitivity pneumonitis">hypersensitivity pneumonitis</a>, <a href="/articles/drug-induced-lung-disease-1" title="Drug induced interstitial lung disease">medication-induced lung injury</a>, <a href="/articles/aspiration-pneumonia" title="Aspiration pneumonitis">aspiration pneumonitis</a>, etc <sup>6</sup>.</p><h4>Radiographic features</h4><h5>CT</h5><p>Perilobular fibrosis is seen as fuzzy peripheral arcades along the visceral pleura (<a href="/articles/arcade-like-sign" title="Arcade-like sign">arcade-like sign</a>) or fuzzy curvilinear bands of increased attenuation <sup>5</sup>.</p>- +<p><strong>Perilobular fibrosis </strong>is<strong> </strong>a pattern of <a href="/articles/pulmonary-fibrosis" title="Pulmonary fibrosis">pulmonary fibrosis</a> along the peripheral septa of <a href="/articles/secondary-pulmonary-lobule" title="secondary pulmonary lobule">secondary pulmonary lobule</a>s and is a typical feature in some cases of <a href="/articles/cryptogenic-organising-pneumonia-1" title="Cryptogenic organising pneumonia">organising pneumonia</a> <sup>5</sup> and eosinophilic pneumonia <sup>7</sup>.</p><h4>Pathology</h4><p>Organising pneumonia is a common response to lung injury and the histological correlate is polypoid fibroblastic aggregations plugging alveolar sacs, ducts and bronchioles, which typically accompanies other disease such as <a href="/articles/pneumonia" title="Pneumonia">pneumonia</a>, <a href="/articles/connective-tissue-disease" title="Collagen vascular disease">collagen vascular disease</a>, <a href="/articles/hypersensitivity-pneumonitis" title="Hypersensitivity pneumonitis">hypersensitivity pneumonitis</a>, <a href="/articles/drug-induced-lung-disease-1" title="Drug induced interstitial lung disease">medication-induced lung injury</a>, <a href="/articles/aspiration-pneumonia" title="Aspiration pneumonitis">aspiration pneumonitis</a>, etc <sup>6</sup>.</p><h4>Radiographic features</h4><h5>CT</h5><p>Perilobular fibrosis is seen as fuzzy peripheral arcades along the visceral pleura (<a href="/articles/arcade-like-sign" title="Arcade-like sign">arcade-like sign</a>) or fuzzy curvilinear bands of increased attenuation <sup>5</sup>.</p>
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