Tumors

Question 1

who usually gets an osteois osteoma?

Answer 1

young patients

Question 2

when does pain really get bad with osteoid osteoma?

Answer 2

at night

Question 3

what can really help osteiod osteoma?

Answer 3

NSAIDs

Question 4

what can exacerbate osteoid osteoma?

Answer 4

alcohol

Question 5

are osteiod osteomas usually biopsied?

Answer 5

no

Question 6

who usually gets osteosarcoma?

Answer 6

young…ages 5-25

Question 7

if older person gets osteosarcoma what can it be secondary to?

Answer 7

paget disease or prior radiation

Question 8

where does osteosarcoma occur in the bone?

Answer 8

metaphyseal

Question 9

what is the buzz word for how osteosarcoma looks?

Answer 9

sunburst

Question 10

what is treatment for osteosarcoma?

Answer 10

systemic chemo with surgical resection

Question 11

when do you have pain with osteosarcoma?

Answer 11

at night and at rest

Question 12

what is histo pattern of osteosarcoma?

Answer 12

atypical cells producing osteoid

Question 13

what can be associated with osteosarcoma?

Answer 13

retinoblastoma

Question 14

what age gets osteochondroma?

Answer 14

young under 20

Question 15

what is classic presentation of osteochondroma?

Answer 15

fixed mass that is painless in child

Question 16

where doe osteochondroma grow?

Answer 16

grows away from metaphyseal

Question 17

is there pain with osteochondroma?

Answer 17

no, unless its tendonitis or bursitis

Question 18

what is the genetic disorder with osteochondroma

Answer 18

AD..multiple osteochondromas

Question 19

what does osteochondroma look like on histo?

Answer 19

looks like a growth plate

Question 20

who gets enchodromas?

Answer 20

over 30 yrs old

Question 21

where do enchodromas grow?

Answer 21

metaphyseal, central in bone

Question 22

what is a common anatomic location for enchodromas?

Answer 22

hand

Question 23

is there pain with enchodromas?

Answer 23

no

Question 24

how are enchodromas found?

Answer 24

often on accident

Question 25

chondrosarcomas is in what ages?

Answer 25

50 and above

Question 26

are chondrosarcomas more concerning when distal or proximal?

Answer 26

proximal

Question 27

how do chondrosarcomas appear on Xray

Answer 27

stippled pattern suggesting cartilage

Question 28

how does chondrosarcomas appear on histo?

Answer 28

more cellular than enchondroma, considerable atypia

Question 29

what is classic presentation for chondrosarcomas ?

Answer 29

older patient with enlarging hip/pelvis/shoulder mass

Question 30

what is a simple/unicameral bone cyst?

Answer 30

small single bone cyst usually found at proximal humerus or femur

Question 31

name two common locations for simple/unicameral bone cyst

Answer 31

femur/humerus

Question 32

what age gets simple/unicameral bone cyst?

Answer 32

under 20

Question 33

is there pain with simple/unicameral bone cyst?

Answer 33

nah not usually

Question 34

what is a nonossifying fibroma?

Answer 34

self limiting osseous lesion

Question 35

where do you see nonossifying fibroma in bone?

Answer 35

metaphyseal

Question 36

what age gets nonossifying fibroma?

Answer 36

under 20

Question 37

how do nonossifying fibroma appear on Xray?

Answer 37

lucent with lobulated bubbly look

Question 38

how does fibrous dysplasia appear on Xray?

Answer 38

ground glass appearance

Question 39

when does fibrous dysplasia usually present?

Answer 39

childhood

Question 40

what are the two types of fibrous dysplasia?

Answer 40

monostotic | polystotic

Question 41

what can polyostotic fibrous dysplasia be associated with?

Answer 41

Mccune Albright syndrome

Question 42

how does fibrous dysplasia appear on histo?

Answer 42

immature bony trabeculae with bland fibrous stroma (alphabet soup)

Question 43

where do giant cell tumors occur in bone?

Answer 43

epiphysis of long bones

Question 44

is giant cell tumor lucent or opaque on Xray?

Answer 44

lucent

Question 45

what do you see a lot of with giant cell tumor on histo?

Answer 45

giant cells

Question 46

if you get a lesion in epiphyses of bone..what is it?

Answer 46

giant cell tumor

Question 47

where does ewing sarcoma occur in bone?

Answer 47

diaphysis

Question 48

how does ewing sarcoma appear on xray?

Answer 48

onion skinning on Xray

Question 49

what can ewing sarcoma be associated with? so what can it be confused with?

Answer 49

fever and ESR...osteomyelitis

Question 50

how does ewing sarcoma appear on histo?

Answer 50

small round monomorphic cells

Question 51

what is typical translocation of ewing sarcoma?

Answer 51

11 and 22

Question 52

what are the two pediatric osseous malignancies?

Answer 52

osteosarcoma and ewing sarcoma

Question 53

new bony lesion in patient older than 50 think what three things?

Answer 53

metastatic disease myeloma lymphoma

Question 54

if it is a primary tumor in someone older than 50...what two things do we think?

Answer 54

chondrosarcoma or secondary osteosarcoma

Question 55

how does MM appear on Xray?

Answer 55

multifocal and radiolucent

Question 56

what is a common site for test questions to ask about MM?

Answer 56

skull lesions

Question 57

what are five common primary cancers that spread to bone?

Answer 57

``` lung breast prostate renal thyroid ```

Question 58

what does myositis ossificans cause in bone?

Answer 58

tumor stimulator

Question 59

what can myositis ossificans cause to form in muscle?

Answer 59

hetertropic bone

Question 60

what is a common location for myositis ossificans?

Answer 60

quad

Question 61

how does myositis ossificans appear on Xray?

Answer 61

outer rim is opaque and inner area is lucent

Question 62

why does outer area of myositis ossificans appear more opaque?

Answer 62

because the bone matures from outside to in

Question 63

how does myositis ossificans usually present?

Answer 63

young patient with trauma to leg and a developing mass after trauma

Question 64

is myositis ossificans painful?

Answer 64

not usually

Question 65

what can paget disease contribute to?

Answer 65

tumor contributor/stimulator

Question 66

what is paget disease associated with?

Answer 66

osteosarcoma

Question 67

what other organ system is problem in paget disease?

Answer 67

endocrine

Question 68

who gets paget disease?

Answer 68

older patients more than 50yo

Question 69

is paget disease painful?

Answer 69

yes

Question 70

what can you see happen to bones in paget disease?

Answer 70

bone bowing