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11 Cards in this Set
- Front
- Back
major classes of bone tumors
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bone forming, cartilage forming, fibrous, unknown origin
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the three bone forming tumors
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osteoid osteoma
osteoblastoma osteosarcoma |
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cartilage forming tumors
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osteochondroma
endochondroma chondrosarcoma |
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osteiod osteoma, descript, histo, radio
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benign bone producing tumor
limited growth potential and less than 2 cm pain from excess prostaglandin E2 circumscribed nidus of randomly anastomosing bone and osteoid with rich fibrovascular stroma usually long bones diaphysis |
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osteoblastoma descript, histo, whatnot
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well circumscribed nidus w/ randomly anastomosing bone and osteoid with rich fibrovascular stroma.
>2 cm usually in spine, dull achy pain. |
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osteosarcoma location, radiographically
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at sites of maximal bone growth, 50% at knee, distal femur or proximal tibia.
radio blastic and lytic lesions, may produce codman's triangle |
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chondroma (endochondroma) location
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small bones of the hands and feet of young males
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chondroma histo, xray
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lobulated or lytic on xray
gross look like cartilage, glistening gray blue to white and lobular histo appearance of mature hyaline cartilage that may have slightly increased cellularity |
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osteochondroma wtf is it
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b enign cartilage capped outgrowth attached to underlying skeleton by bony stalk
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chondrosarcoma, wtf is it
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intermedullary malignant neoplasm in which neoplastic produce cartilatge w/out osteoid or bone
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chondrosarcoma age, location,
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older patients, axial skeleton, associated with ollier's disease
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