Hemangioma-like Area
Some spaces are filled with blood, resembling a hemangioma. However, the cells lining the spaces are epithelial rather than endothelial cells.
Histologic Changes
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Hemangioma-like Area Some spaces are filled with blood, resembling a hemangioma. However, the cells lining the spaces are epithelial rather than endothelial cells. | ||||||||||
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Solid Area Here, note the collections of foamy macrophages (large cells) among the tumor cells. Mitoses were very infrequent. | ||||||
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Foam Cells and Hemosiderin Some of the spaces contained foamy macrophages and hemosiderin-filled macrophages (center) rather than blood. Hemosiderin-filled macrophages are also scattered throughout the surrounding tumor. | ||||||||
Clinical summary
Image 5