Fig. 16

Chronic rhA, a) overview, b) myofibroblastic foci with dense lymphocytic infiltration and lymph follicle, and cystic remodeling; c) lose epitheloid cell granuloma, d) amyloid deposit, e) dense lymphocytic infiltration and vasculopathy with severe narrowing of a pulmonary artery, f) cystic remodeling, lose granulomas with giant cells, lymphocytic accumulation, g) BALT hyperplasia, h) lose granulomas and focal necrobiosis with neutrophils. H&E, bars 500, 100, 50, and 20 μm, respectively