Fig. 2From: Rosai-Dorfman disease with pulmonary involvement mimicking bronchogenic carcinomaa: Lung parenchymal tissue with marked bronchiole dilatation filled with mucin plugs (H&E; 4x); b: High-power view showing lymphocytophagocytosis by histiocytes (H&E; 40x); c: High-power view showing histiocyte engulfing plasma cell (H&E; 40x)Back to article page