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Skel Rad > Final > Flashcards

Final Flashcards

1
Q

Malignant neoplasm arising from stem cell marrow reticulum

A

Ewings

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2
Q

“one eyed pedicle or “winking owl sign”

A

Metastases

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3
Q

MC location for Ewing’s sarcoma in bone

A

diaphysis

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4
Q

MC primary malignant tumor of the spine

A

Multiple Myeloma

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5
Q

MC type of osteosarcoma

A

Conventional

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6
Q

MC site for osteosarcoma

A

Knee proximal Humerus

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7
Q

MC location for Osteosarcoma in long bone

A

Metaphysis

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8
Q

Serum protein electrophoresis is positive and Bence-jones protenurea

A

Multiple myeloma

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9
Q

MC primary malignancy of the entire skeletal system

A

multiple myeloma

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10
Q

T/F osteosarcoma is common in the spine

A

False

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11
Q

MC patter of presentation for osteosarcoma

A

sclerotic

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12
Q

periosteal reaction classically associated with osteosarcoma

A

Sunburst/spiculated

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13
Q

Secondary osteosarcoma develop from malignant degeneration of

A

pagents, HME, following radiation therapy of benign lesion

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14
Q

what location is MC for chondrosarcoma

A

innominate and femur

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15
Q

MC malignancy of bone

A

Metastases

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16
Q

cause of 60% fo all skeletal mets in men

A

prostate CA

17
Q

metastatic bone tumors MC affect

A

Spine

18
Q

it is easiest to see disease in bone after what is involved

A

cortex

19
Q

what imaging is superior in the detection of metastatic dz in limited area of skeletal system

A

MRI

20
Q

T/F bone destruction with mets may be permeative or moth-eaten with no sclerotic border

A

True

21
Q

metastatic breast carcinoma is MC

A

lytic

22
Q

MC radioisotope used in bone scan

A

Technetium 99 methylene diphosphate

23
Q

uniformly collapsed vertebral body or pathological fracture due to mets is called

A

Vertebra plana

24
Q

MC location for osteochondritis dissecans

A

lateral aspect of the medial femoral condyle

25
Q

most sensitive means of detective avascular necrosis

A

MRI

26
Q

MC periosteal response for osteomyelitis

A

Laminated

27
Q

MC method of spreading infections

A

Hematongenous

28
Q

aneurysmal bone cyst derived from what tissue

A

vascular

29
Q

what is associated with a benign bone lesion

A

cortex is expanded but not destroyed
sharp and sclerotic margin
geographic

30
Q

most mailignant bone lesions are

A

secondary

31
Q

MCC for an expanded rib

A

Fibrous Dysplasia

32
Q

what are fibroxanthoma of bone

A

non ossifying fibroma

fibrous cortical defect

33
Q

codmans triangle is associated with

A

osteochondroma

34
Q

what is considered a quasi malignant tumor

A

Giant cell

35
Q

what has a similar periosteal reaction to infection

A

Ewings

36
Q

osteonecrosis of the calcaneal apophysis

A

Servers

37
Q

MC benign bone tumor of spine

A

Hemangioma

38
Q

T/F 90% of pagets dz cases are asymptomatic at dx and discovered incidentally

A

True

39
Q

aka for subchondral reactive sclerosis

A

Eburnation

Skel Rad (7 decks)

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