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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A/w Gardner's Syndrome (APC - small and large polyps, soft tissue tumors, desmoid tumors)
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Osteomas
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A male <25 years comes in complaining of nocturnal pain just below the kneecap. PE shows a hard mass. Biopsy shows interlacing trabeculae of woven bone surrounded by osteoblasts. Dx?
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Osteoid osteoma
Tx? |
excision
(do NOT radiate, it will cause malignancy) |
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A male <25 years comes in complaining of nocturnal pain in lower back. PE shows a large, hard mass. Biopsy shows interlacing trabeculae of woven bone surrounded by osteoblasts. Dx?
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Osteoblastoma
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Bone tumor that occurs most often in females?
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Giant Cell tumor aka osteoclastoma
"double bubble" or soap bubble |
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MC primary Bone tumor
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Osteochondroma
originates from... |
long metaphysis
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Biopsy shows mature bone with a cartilaginous cap.
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osteochondroma
peak incidence? |
less than 25
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benign cartilaginous neoplasm found in intramedullary bone, involving hands, feet, and distal extremities
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enchondroma
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Anaplastic small blue cell malignant tumor, aggressive with early metastasis
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ewings
(but responds to chemo) bx? gene? |
onion skin appearance
11:22 translocation |
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11:22 translocation
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Ewings Sarcoma
mc common in .... |
boys <15 yo
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expansile glistening mass withing the medullary cavity
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chondrosarcoma
mc in... located... |
men 30-60
in pelvis, spine, humerus, tibia or gemur |
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mc malignant tumor of bone
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malignant myeloma
2nd mc? |
osteosarcoma (codman's triangle)
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"Codman's triangle"?
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osteosarcoma
mc in... location? |
men 10-20 yo
metaphysis of long bones around distal femur and proximal tibia |
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17 yo males presents with pain around right knee. PMHx is (+) of familial retinoblastoma. Lab studies show and elevated alkaline phosphatase, dx?
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osteosarcoma
(rf: familial rb, pagets, radiation) What would an x ray show? |
"Codman's triangle" in metaphysis of bone
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