PMC4532020_01
Conventional posteroanterior chest roentgenogram showing a well-defined mass in the posteromedial portion of the right lower lobe.
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Chest roentgenogram showed a well-defined mass in the posteromedial portion of the right lower lobe (Fig. 1).
Computed tomographic scan of the chest showing a mass with soft tissue density in the posterior segment of the right lower lobe.
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A computed tomographic scan of the chest showed a mass with soft tissue density in the posterior segment of the right lower lobe (Fig. 2).
Cut section or resected lobe showing a large feeding artery measuing 0.8 cm in diameter (arrow head) that enters a poorly defined area of consolidation, measuring 8.0x6.5 cm. The consolidation contains multiple small cysts and a large cyst measuring 4x3 cm that is filled with dark brownish mud-like fragile materials (arrow).
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The consolidation contained multiple small cysts with pus and a large cyst measuring 4x3 cm that was filled with dark brownish mud-like fragile materials (Fig. 3).
In the microscopic examination, the parenchyma is distorted and largely replaced by fibrosis and chronic inflammation. Scattered bronchiol-like structures are present (A). Hematoxyline and eosin. x100. The large cystic wall is lined with ciliated columnar epithelium. Hyphae of the Aspergillus (arrow) are found within the cystic lumen (B). Hematoxylin and eosin. x250.
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Hyphae of the Aspergillus were found within the cystic lumen (Fig. 4).