Term
| Benign tumor-like mass of abnormally dense bone (usually polypoid). Pure compact bone or mixed. |
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Definition
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Term
| where do osteomas primarily occur? |
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Definition
|
|
Term
| what age do osteomas occur? |
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Definition
|
|
Term
| What syndrome are osteomas associated with? |
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Definition
| Gardner’s syndrome (osteomas, epidermal cysts, fibromatoses and colonic adenomatous polyposis) |
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Term
| Benign, highly vascular, sharply circumscribed osteoblastic proliferation. Almost always single. <1.5 cm |
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Definition
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Term
| Exquisitely painful, worse at night, relieved by aspirin |
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Definition
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Term
| Targetoid appearance on imaging |
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Definition
|
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Term
| what age do osteoid osteomas occur? |
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Definition
|
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Term
| where are osteoid osteomas found? |
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Definition
| Most commonly intracortical. Long bones, especially tibia and femur |
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Term
| what is the most common primary bone tumor? |
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Definition
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Term
| malignant proliferation of osteoblasts |
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Definition
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Term
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Definition
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Term
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Definition
|
|
Term
| what age do osteosarcomas occur? |
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Definition
|
|
Term
| where are osteosarcomas found? |
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Definition
| around knee, long bone medullary cavity |
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Term
| benign outgrowth of medullary and cortical bone, covered by a cartilaginous cap |
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Definition
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Term
| Stops growing when skeletal maturity is reached. |
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Definition
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Term
| projects from the cortical surface of the involved bone at the growth plate (metaphysis) |
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Definition
|
|
Term
| when do osteochondromas occur? |
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Definition
|
|
Term
| what is the second most common primary bone tumor? |
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Definition
|
|
Term
| Can osteochondromas progress to chondrosarcoma? |
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Definition
|
|
Term
| what age does chondrosarcoma occur? |
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Definition
|
|
Term
| where does condrosarcoma occur? |
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Definition
| pelvis or central skeleton |
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|
Term
| metastasizes to lungs, skeleton, SS, skin |
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Definition
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Term
| malignant bone tumor derived from neuroectoderm |
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Definition
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Term
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Definition
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Term
| neoplasm of small, round, uniform mesenchymal cells |
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Definition
|
|
Term
| where is Ewing Sarcoma found? |
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Definition
|
|
Term
| what age does Ewing Sarcoma occur? |
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Definition
|
|
Term
| 'onion-skin' appearance on Xray |
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Definition
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Term
|
Definition
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Term
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Definition
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Term
| benign intramedullary proliferation of fibrous tissue and bone. Osseous component has no osteoblastic rimming. |
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Definition
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|
Term
| fibrous dysplasia in more than one bone, precocious puberty, cafe-au-lait spots, GNAS1 |
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Definition
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|
Term
| benign tumor comprised of multinucleated giant cells (looks like osteoclasts) and stromal cells (epithelioid mononuclear cells) |
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Definition
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|
Term
| tumor located in epiphysis |
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Definition
|
|
Term
| what age does Giant Cell Tumor occur? |
|
Definition
| young adults - must be skeletally mature with closed growth plates |
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|
Term
| locally aggressive benign tumor |
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Definition
|
|
Term
| 15-50% recurrence in 2 years |
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Definition
|
|
Term
| Adult tumors that metastasize to bone? |
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Definition
| prostate, breast, kidney, lung |
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Term
| Childhood tumors that metastasize to bone? |
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Definition
| neuroblastoma, Wilm’s tumor, rhabdomyosarcoma. |
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