PMC4821335_01
The chest x-ray and CT thorax revealed a left loculated pneumothorax, pleural and subpleural parenchymal fibrosis with upper lobe predominance and apical pleural thickening.
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Her CT scan (Fig. 1) revealed loculated pneumothorax in left upper zone, pleural and subpleural parenchymal fibrosis with upper lobe predominance.
(a) Subpleural fibrosis and elastosis with extension into the pulmonary parenchyma; H&E 50x. (b) Interstitial fibrosis with elastosis and type 2 pneumocyte hyperplasia; H&E 200x. (c)Interstitial fibrosis with elastosis; H&E 400x. (d) Orcein stain showing numerous elastic fibres in the pleural tissue extending into the adjacent parenchyma. 50x.
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On histopathological examination (Fig. 2), there was marked pleural fibrosis and elastosis with involvement of the underlying lung parenchyma.