case_images: PMC7665935_01
case_images: 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).
case_images: CRIPA2020-8893963.001.jpg
case_images: PMC7665935_01_CRIPA2020-8893963.001.jpg
case_images: fig1
case_images: 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).
case_images: Cyst space in subperiosteal ABC with no lining cells and surrounded by bland fibroblasts and osteoclast type giant cells (H&E, 4x).
case_images: CRIPA2020-8893963.002.jpg
case_images: PMC7665935_01_CRIPA2020-8893963.002.jpg
case_images: fig2
case_images: 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).
case_images: Low-power view demonstrating extensive woven bone formation associated with subperiosteal ABC (H&E, 4x).
case_images: CRIPA2020-8893963.003.jpg
case_images: PMC7665935_01_CRIPA2020-8893963.003.jpg
case_images: fig3
case_images: A delicate but prominent meshwork of osteoid and woven bone spicules was seen deposited parallel to the hemorrhagic spaces (Figures 3-5).
case_images: Areas with extensive sheet-like reactive bone deposition in subperiosteal ABC (H&E, 4x).
case_images: CRIPA2020-8893963.004.jpg
case_images: PMC7665935_01_CRIPA2020-8893963.004.jpg
case_images: fig4
case_images: A delicate but prominent meshwork of osteoid and woven bone spicules was seen deposited parallel to the hemorrhagic spaces (Figures 3-5).
case_images: Small cystic hemorrhagic area associated with florid reactive bone formation within the cyst wall in subperiosteal ABC (H&E, 4x).
case_images: CRIPA2020-8893963.005.jpg
case_images: PMC7665935_01_CRIPA2020-8893963.005.jpg
case_images: fig5
case_images: A delicate but prominent meshwork of osteoid and woven bone spicules was seen deposited parallel to the hemorrhagic spaces (Figures 3-5).
case_images: Osteoclast type giant cells in subperiosteal ABC clustering around hemorrhagic spaces (H&E, 10x).
case_images: CRIPA2020-8893963.006.jpg
case_images: PMC7665935_01_CRIPA2020-8893963.006.jpg
case_images: fig6
case_images: The osteoclast type giant cells were noted to cluster around the hemorrhagic foci within the septae (Figure 6).