fibro osseous lesion dina patho
TRANSCRIPT
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A and B, Fibrous dysplasia of the right maxilla demonstrating asymmetric expansion. B is mirror image.
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A and B, Fibrous dysplasia of the right maxilla demonstrating asymmetric expansion. B is mirror image.
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Fibrous dysplasia. Periapical radiograph showinga diffuse "ground-glass" radiographic appearance.
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Fibrous dysplasia.
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Fibrous dysplasia of the maxilla as demonstrated in a computed tomography (CT) scan.
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Fibrous dysplasia of the mandible.
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Fibrous dysplasia exhibiting fibroblastic matrix and uniform distribution of bony trabeculae (purple, not decalcified).
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Fibrous dysplasia showing vascular fibroblastic matrix and irregular trabeculae of new bone.
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Ossifying fibroma . Gross specimen showing awell-circum scribed tumor that shelled out in one piece.
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Ossifying fibroma.
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Ossify ing fib roma. This low-magnification photomicrograph showsa well-circumscribed solid tumor mass.Trabeculae of bone and droplets of cement um-like
material can beseen forming within a background of cellular fibrous connectivetissue.
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Ossifying fibroma. High-power photomicrograph showing a mixture of woven bone and cementum-like material.Note the spherules demonstrating peripheral
brush borders (arrow)
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Periapical cemento-osseous dysplasia
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Cementa-osseous dysplasia. low-power photomicrograph showing fragments of cellular fibrous connective tissue conta in ing scattered trabeculae of bone.
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Cementa-osseous dysplasia. High-power photomicrograph showing spicules of bone and cementum-like hard tissue within moderately ce llular fibrous connectivet issue, Note the hemorrhage around t he bony trabeculae.