Postinfectious Bronchiolitis Obliterans in Children: Diagnostic Workup and Therapeutic Options: A Workshop Report

Figure 4

(a) Haematoxylin and eosin staining (10x original magnification). (1) Cholesterol clefts; (2) smooth muscles; (3) luminal obliteration; (4) scattered lymphocytes. (b) Movat pentachrome (10x original magnification). (1) Unpaired artery branch; (2) obliterated bronchiole. (c) Haematoxylin and eosin staining (20x original magnification). (1) Constrictive bronchiolitis with subepithelial fibrosis and cellular infiltrates. (d) Haematoxylin and eosin staining (10x original magnification). (1) Cartilage island; (2) fibromuscular scar.

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