PMC7665935_01
Cellular fibrous septa containing uniform fibroblasts with scattered osteoclast-like giant cells adjacent to an area with prominent reactive woven bone deposition in subperiosteal ABC (H&E, 10x).
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fig1
Microscopic examination of the surface lesion showed cellular fibrous septa containing uniform fibroblasts with scattered osteoclast-like giant cells lining variably sized hemorrhagic cystic spaces (Figures 1 and 2).
Cyst space in subperiosteal ABC with no lining cells and surrounded by bland fibroblasts and osteoclast type giant cells (H&E, 4x).
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fig2
Microscopic examination of the surface lesion showed cellular fibrous septa containing uniform fibroblasts with scattered osteoclast-like giant cells lining variably sized hemorrhagic cystic spaces (Figures 1 and 2).
Low-power view demonstrating extensive woven bone formation associated with subperiosteal ABC (H&E, 4x).
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fig3
A delicate but prominent meshwork of osteoid and woven bone spicules was seen deposited parallel to the hemorrhagic spaces (Figures 3-5).
Areas with extensive sheet-like reactive bone deposition in subperiosteal ABC (H&E, 4x).
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fig4
A delicate but prominent meshwork of osteoid and woven bone spicules was seen deposited parallel to the hemorrhagic spaces (Figures 3-5).
Small cystic hemorrhagic area associated with florid reactive bone formation within the cyst wall in subperiosteal ABC (H&E, 4x).
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fig5
A delicate but prominent meshwork of osteoid and woven bone spicules was seen deposited parallel to the hemorrhagic spaces (Figures 3-5).
Osteoclast type giant cells in subperiosteal ABC clustering around hemorrhagic spaces (H&E, 10x).
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fig6
The osteoclast type giant cells were noted to cluster around the hemorrhagic foci within the septae (Figure 6).