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33 Cards in this Set
- Front
- Back
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15 yo
metaphysis elevated alkaline phosphatase patchy |
primary osteosarcoma
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Rb or p53 mutation
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primary osteosarcoma
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60 yo
pain in pelvis history of Pagets elevated alkaline phosphatase |
secondary osteosarcoma
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60 yo
hyaline punctate calcification ribs, pelvis |
chondrosarcoma
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30 yo
epiphysis red, soft, friable |
Giant cell
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mutliple nucleated cells
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Giant cell
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soap bubble/club-like expansion
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Giant cell
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15 yo
long bone cortex pain at night NSAIDs help |
Osteoid osteoma
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nidus <2cm
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osteoid osteoma
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nidus >2cm
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osteoblastoma
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30 yo
vertebrate lesion NSAIDs don't help |
osteoblastoma
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40 yo
skull |
osteoma
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Gardner syndrome components (4)
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1. osteoma
2. soft tissue fibroma 3. intestinal polyposis 4. sebaceous skin cysts |
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20 yo
metaphysis cartilage cap |
osteochondroma
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40 yo
medullary cavity lobules hyaline |
enchondroma
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15 yo
small round blue cells medullary cavity |
ewing sarcoma
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metaphysis
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1. osteoid osteoma
2. osteosarcoma (primary/secondary - can go beyond metaphysis) 3. osteochondroma 4. chondroma |
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diaphysis
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1. ewing sarcoma
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epiphysis
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1. giant cell tumor
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axial (pelvis, ribs) (2)
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1. chondrosarcoma
2. osteoblastoma |
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small bones of hand/feet
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enchondroma
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distal radius
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giant cell
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10-20
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1. osteoid osteoma
2. osteoblastoma 3. ewing sarcoma 4. primary osteosarcoma 5. osteochondroma |
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20-30
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1. giant cell
2. osteochondroma |
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over 40 (4)
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1. secondary osteosarcoma
2. osteoma 3. chondrosarcoma * chondroma (30-50) |
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lifting periosteum
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primary osteosarcoma
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codman's triangle
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primary osteosarcoma
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heterogeneous/patchy
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1. primary osteosarcoma
2. giant cell tumor |
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lytic lesions
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giant cell
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round spindle mononuclear cells
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giant cell
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erode cortex
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chondrosarcoma
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arise w/in medullary cavity
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1. enchondroma
2. chondrosarcoma 3. primary osteosarcoma (goes INTO medullary) |
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well-circumscribed single tumors
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enchondroma
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