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Alveolar infiltration and interstitial fibrosis
Alveolar infiltration and interstitial fibrosis
There is interstitial fibrosis and lymphocytic infiltration of the alveolar walls surrounding an obliterated vein (thick arrow). Abundant brown granular hemosiderin is present in alveoli (thin arrow). Hematoxylin-eosin; original magnification: x10.
Reproduced with permission from: Mandel, J, Mark, E, Hales, C. Pulmonary veno-occlusive disease. Am J Respir Crit Care Med 2000; 162:1964. Official Journal of the American Thoracic Society © American Lung Association.
Graphic 66071 Version 2.0