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Board Studying > Bone tumors > Flashcards

Bone tumors Flashcards

1
Q

Bone tumor within the epiphysis with Soap Bubble appearance

A

Giant Cell tumor

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2
Q

Bone tumor with RankL upregulation?

A

Giant cell tumor

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3
Q

Most common benign bone tumor

A

Osteochondroma

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4
Q

Osteochondroma location

A

Metaphysis with lateral projectile growth

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5
Q

Lateral projecctive growth with cartilaginous cap

A

Osteochondroma

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6
Q

Osteocommondroma

A

Most common benign tumor

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7
Q

Found in facial bones

Gardners syndrome

A

Osteoooma

“Ooom in the garden”

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8
Q

Sinus pressure, sinus tumor

A

Osteoma

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9
Q

Painful bone tumor releived by NSAIDs?

A

Osteoid osteoma

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10
Q

Cortical bone tumor with sclerotic margins and radiolucent core
small intralesional nidus?

A

Osteoid osteoma

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11
Q

Small cortical sclerotic margins, radiolucent core, found commonly in the vertebrae

Painful, not releived with NSAID

A

Osteoblastoma!!

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12
Q

Mononuclear Rank-L expressing cells

A

Giant cell tumor

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13
Q

Seen in young teenage males in the metaphysis

Risk factors: Lis Fromani syndrome, Retinoblastoma, Paget disease, Radiation

A

Osteosarcoma

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14
Q

Sunburst appearance on X-ray

Codmanns triangle

A

Osteosarcoma

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15
Q

Tumor occuring in the medulla of the pelvis and central skeleton

A

Ostochondroma

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16
Q

Tumor occuring in children younger than 15 in the diaphysis of long bones

A

Ewing sarcoma

17
Q

Onion skin appearance on radiographs

A

Ewing sarcoma

18
Q

Small blue cells resembling lymphocytes that are neuroectodermal?

A

Ewings Sarcoma

19
Q

Over expression of EWS-FLI1

A

Seen with T11,22 translocation in Ewings sarcoma

20
Q

Punched out osteolytic lesions

A

Multiple Myeloma

21
Q

Osteoclasts with numerous nuclei

A

Giant Cell Tumor!

22
Q

Large diameter nidus > 1.5 cm

A

Osteoblastomas

Also known for eroding surround bone

23
Q

Small diameter nidus with small surrounding sclerotic bone

A

Osteoid osteoma

Produce prostoglandins causing pain!

24
Q

Pleomorphic osteoblasts forming toooooo much osteoid tissue in the metaphysis

A

Osteosarcoma

AKA OsteoStarcoma

25
Q

pRb and p 53 protein malformations

A

Results in familial retinoblastoma and Lisch Fraumini syndrome

Osteosarcoma!

26
Q

Mass within medullary cavity

A

Chondrosarcoma

27
Q

Moth eaten appearance

A

Chondrosarcoma

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