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Figure 1 | BMC Pulmonary Medicine

Figure 1

From: Quantitative analysis of lung elastic fibers in idiopathic pleuroparenchymal fibroelastosis (IPPFE): comparison of clinical, radiological, and pathological findings with those of idiopathic pulmonary fibrosis (IPF)

Figure 1

Representative findings of high-resolution computed tomography (HRCT) and surgical lung biopsy specimens of a patient with idiopathic pleuroparenchymal fibroelastosis (IPPFE). HRCT shows pleural thickening and subpleural consolidation opacities in the upper lobes (A). A lung section stained with hematoxylin and eosin shows subpleural fibrosis with an abrupt transition to normal lung parenchyma and fibroblastic foci, similar to that seen in usual interstitial pneumonia (B, ×12.5). Pleural fibrosis was also seen. A lung specimen with Elastica van Gieson staining demonstrates deposition of dense elastic fibers (elastosis) in a subpleural fibrotic lung lesion (C, ×12.5).

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BMC Pulmonary Medicine

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