Solitary Pulmonary Hematoma Radiographically Indistinguishable from Mediastinal Tumor

Figure 2

(a) Intraoperative picture of the subpleural mass, with stapler applied. (b) Wedged-out section of the left lower lobe, showing the subpleural mass. (c) Microphotographs of sections stained with Victoria blue and HE stain. (d) High-power field of the rectangle in (c). The elastic layer of the visceral pleura is stained in blue. The hematoma was located inside the visceral pleura, indicating that the lesion is intrapulmonary. Scale bars in (c, d) are 2 mm and 250 μm, respectively.

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