Organizing Pneumonia by Paragonimiasis and Coexistent Aspergilloma Manifested as a Pulmonary Irregular Nodule

Figure 6

The subpleural cavitary lesion is filled with fungus ball, and the surrounding stroma shows fibrosis and foreign body reaction (H&E, ×100). These fungal hyphae are highlighted on Gomori methenamine silver stain (lower right, ×200) and are morphologically compatible with aspergillus species.