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Clinical Podiatric Medicine > Bone tumors > Flashcards

Bone tumors Flashcards

1
Q

Aneurysmal bone cyst

A

mosaic glass on MRI

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2
Q

U in cage on mud

A

unicameral bone cyst

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3
Q

A of NFC games

A

aneurysmal bone cyst

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4
Q

Lytic Lesions in Metaphysis Mnemonic

A

Cage On Mud

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5
Q

Osteoblastoma

A

most common tumor in teens at ends of long bones-“at end of a long fast, teens have a blast”
large >2cm, without surrounding reactive bone sclerosis as seen in osteoid osteoma

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6
Q

O in FOGMACHINES

A

Osteoid osteoma/osteoblastoma

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7
Q

M in FOGMACHINES

A

Metastasis/myeloma

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8
Q

Infection

A

osteomyelitis-soft tissue swelling, resorptive bone changes….

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9
Q

N of NFC games

A

Nonossifying fibroma

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10
Q

Ewing’s sarcoma

A

moth eaten lesion in diaphysis, onion skin appearance, accompanied by a soft tissue mass

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11
Q

most common malignant bone tumor in foot and ankle

A

chondrosarcoma

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12
Q

What is the most common primary malignant tumor of bone in the body

A

myeloma-multiple punched out lesions

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13
Q

HIP in COP BOBS HIP

A

hemangioma, infarct, prostate mets

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14
Q

Bubbly lesions of bone mnemonic

A

NFC GAMES

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15
Q

Osteoid osteoma

A

<2cm lesion surrounded by reactive bony sclerosis
<20yo
night pain relieved by ASA or NSAID

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16
Q

G in FOGMACHINES

A

giant cell tumor

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17
Q

E of NFC games

A

Enchondroma/Ewing’s sarcoma

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18
Q

Non-ossifying fibroma

A

cousin of fibrous dysplasia, soap bubble appearance

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19
Q

g in cage on mud

A

giant cell tumor

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20
Q

A in Cage on mud

A

aneurysmal bone cyst

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21
Q

N in FOGMACHINES

A

non-ossifying fibroma

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22
Q

I in FOGMACHINES

A

infection

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23
Q

e in cage on mud

A

enchondroma, ewing’s sarcoma

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24
Q

F of NFC games

A

fibrous dysplasia

25
Q

Eosinophilic granuloma

A

endosteal scalloping

26
Q

Hemangioma capillary

A

fine capillary loops that radiate peripherally

Long striations with long lucencies

27
Q

Hyperparathyroidism

A

brown tumors-hemosiderin deposition, subperiosteal bone resorption is hallmark-especially in phalanges

28
Q

A in FOGMACHINES

A

aneurysmal bone cyst

29
Q

malignant bone lesions in 30-40 and 40+

A

30-40: fibrosarcoma, lymphoma

40+: metastasis, myeloma, chondrosarcoma

30
Q

Subungal exostosis

A

similar to osteochondroma, starts out as a capillary hemangioma, has fibrocartilage cap, does not arise from epiphysis

31
Q

O in cage on mud

A

osteoblastoma, osteosarcoma, osteomyelitis

32
Q

Giant cell tumor

A

multinucleated tumor giant cells, without a border of periosteal new bone and sclerosis
“massive in metaphysis)
may met to lungs or transform to fibrosarcoma or osteogenic sarcoma

33
Q

Enchondroma

A

Bubbly, “end of bone with speckled tone”, associated with Ollier’s disease

34
Q

COP in COP BOBS HIP

A

chronic osteomyelitis, osteochondroma, paget’s disease

35
Q

Malignant bone lesions in 10-30 year olds

A

osteosarcoma, ewing’s

36
Q

fibrous dysplasia

A

non neoplastic, long lytic lesion in long bone

37
Q

C of NFC games

A

Chonrdosarcoma

38
Q

C in Cage on Mud

A

Chondroblastoma

39
Q

F in Fog machines

A

fibrous dysplasia

40
Q

chondromyxoid fibroma

A

chondroid tissue and intracellular mucin like substance

41
Q

Solitary bone cyst/unicameral bone cyst

A

in calcaneus-“best bet is middle facet”, fallen fragment sign

42
Q

BOBS in COP BOBS HIP

A

breast mets, osteogenic sarcoma, bone island (most common), stress fx

43
Q

M of NFC games

A

Metastatic CA

44
Q

Osteochondroma

A

ceases growth at time of skeletal maturation, has a cap of hyaline cartilage and projects away from epiphysis from which it arises

45
Q

Mnemonic for radiolucent-type lesions

A

radiolucent=not solid white

FOGMACHINES

46
Q

H in FOGMACHINES

A

hyperparathyroidism, hemangioma

47
Q

C in FOGMACHINES

A

chondroblastoma/chondromyxoid fibroma

48
Q

metastasis/meyeloma

A

most probable cause of osteolytic mets in a child is neuroblastoma
in adult male-CA of lung
female-CA of breast
CA of kidney and thyroid

49
Q

G of NCF games

A

Giant cell tumor

50
Q

D in cage on mud

A

desmoid tumor

51
Q

Osteogenic sarcoma/osteosarcoma

A

in places of active bone growth

52
Q

m in cage on mud

A

malignant fibrous histiocytoma (fibrosarcoma)

53
Q

S of NFC games

A

Solitary bone cyst

54
Q

chondroblastoma

A

chicken wire matrix-also consider osteoblastma in this age group when viewed on x-ray

55
Q

Chondrosarcoma

A

malignant transformation of an enchondroma, or by sarcomatous change in cartilage cap of an osteochondroma

56
Q

Hemangioma cavernous

A

thin walled vessels and sinuses lined by a single layer of endo cells in intimate relation with the bone trabeculae-causing resorption
long striations with long lucencies

57
Q

Malignant lucent bone lesions in less than 1 and 1-10 year olds

A

neuroblastoma

ewing’s sarcoma

58
Q

n in cage on mud

A

non-ossifying fibroma

59
Q

Solitary or multifocal Sclerotic lesions of bone mnemonic

A

COP BOBS HIP

Clinical Podiatric Medicine (4 decks)

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