Primary undifferentiated pleomorphic sarcoma (Malignant fibrous histiocytoma) of the lung: A case report

Figures

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  Figure 1. A, A chest CT scan showing diffuse pulmonary emphysema and a 3.0 × 3.0 cm well‐defined solitary mass in the right middle lobe along the minor fissure (arrow head). B, 18F‐FDG PET/CT scanning showing significantly increased uptake in the right middle lobe with the maximum standardized uptake value (SUVmax) of 18.5

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  Figure 2. A well‐circumscribed solitary tumor arising from the visceral pleura of the middle lobe was observed (arrow heads)

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  Figure 3. Macroscopic and pathological findings of the resected specimen. A, The mass was well‐circumscribed, firm, encapsulated, and partially necrotic without calcification. B, Hematoxylin‐eosin staining showing interesting fascicles of spindle cells in a storiform pattern (magnification ×200). C, The tumor was found arising from the visceral pleura as primary lesion (magnification ×50)