PMC3934071_01
Chest X-ray showed a large mass in the left hemithorax
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A chest radiograph (Fig. 1) and computed tomography (CT) scan (Fig. 2A, B) showed a large mass in the left chest attached to the diaphragm.
The operative specimen showed the large dimension of the pleural fibroma
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It measured 28 cm x 20 cm x 18 cm (Fig. 3).
Results of hematoxylin-eosin staining. Microscopic examination revealed spindle-shaped cells in combination with collagen deposition in a disorderly or random pattern; A) original magnification 40x and B) original magnification 100x
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Microscopic examination of the tumor revealed spindle-shaped cells in combination with collagen deposition in a disorderly or random pattern (so-called patternless pattern, Fig. 4A, B) without necrosis and without severe nuclear atypia, and they were rarely mitotic (less than 4 mitoses per high-powered field).