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7 Cards in this Set
- Front
- Back
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Simple Bone Cyst (hemorrhagic bone cyst, idiopathic bone cavity)
Histology? |
* Thin band of fibrous connective tissue
* May have giant cells * No epithelial lining |
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Aneurysmal bone cyst
Histology? |
* Spaces filled with un-clotted blood
* Lined by fibrous tissue with multinucleated giant cells, and trabeculae of woven bone |
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Focal osteoporotic marrow defect
Histology? |
* Radiographic findings not pathognomonic, so biopsy is often performed
* Not associated with disease * No treatment once diagnosed |
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Paget disease of bone (Osteitis Deformans)
Histology? |
Uncontrolled formation and resorption of bone
Prominent "reversal lines" in bone |
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Central Giant Cell Granuloma
Histology? |
* Fibrous connective tissue
* Multinucleated giant cells (osteoclasts?) * Hemorrhage and hemosiderin * Similar microscopic features are present in: - Hyperparathyroidism (elevate for decreased serum calcium and increased PTH) - Cherubism (multifocal lesions in children) |
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Cementoblastoma
Histology? |
* Similar to osteoblastoma
* Sheets and trabeculae of irregular, mineralized material |
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Osteosarcoma
Histology? |
Abnormal osteoblast and bone
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