case_images: PMC11126259_01
case_images: Well-defined reddish purple swelling seen on the labial gingiva of 12, 13, 14 and 15
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case_images: The swelling extended from the maxillary vestibule to 2 mm below the occlusal surface and its lobulated surface showed indentations from lower teeth [Figure 1].
case_images: Anterior maxilla in the region of 12, 13 and 14 shows a mixed radiopaque-radiolucent lesion with thick straight septa and thin delicate amorphous radiopacities at places
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case_images: The internal structure was mixed radiolucent radiopaque with thick straight septa and thin delicate amorphous radiopacities at places intermixed with peripheral radiolucency [Figure 2].
case_images: Expansion and loss of buccal cortical plate seen in 13, 14 and 15 regions with mixed and amorphous extensions on buccal aspect of 14 and 15 and thinning of palatal cortical plate between 13 and 14
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case_images: Thinning of palatal cortical plate was observed between 13 and 14 regions [Figure 3].
case_images: Peripheral lesion showing epithelium and underlying connective tissue, which is separated by a zone of dense bundles of collagen fibres. Evenly distributed giant cells are noted in the tissue. (H&E, 4X)
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case_images: Histopathology of the peripheral lesion showed lesional tissue separated from superficial epithelium by a grenz zone [Figure 4].
case_images: Central lesion decalcified bone shows bony trabeculae of varying sizes, which shows interspersed giant cells and osteoblastic rimming and osteocytes in lacunae. (H&E, 10X)
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case_images: H&E decalcified stained section of the intraosseous lesion showed bony trabeculae of varying sizes showing osteoblastic rimming and osteocytes in lacunae and a similar histology as the peripheral tissue [Figure 5].
case_images: Multinucleated giant cells diffusely distributed within the background of plump and ovoid mononuclear cells. The giant cells contain 6-20 nuclei. Extravasated RBCs also noted. (H&E, 40X)
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case_images: Multinucleated giant cells containing 6-20 nuclei diffusely distributed within the background of plump and ovoid mononuclear cells was noted [Figure 6].