Midterm Flashcards

(46 cards)

1
Q

most common mets for women

A

breast cancer 70%

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2
Q

most common mets for men

A

prostate cancer 60%

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3
Q

6 most common cancers to metastasize to bone

A

breast, prostate, lung (+++)

kidney, thyroid, bowel

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4
Q

3rd most common site of metastatic carcinoma

A

bone

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5
Q

Where most bone tumors occurs?

A

metaphysis

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6
Q

what 3 tumors occur in the diaphysis?

A

MM
Ewings
Reticulum cell sarcoma

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7
Q

What two tumors occur in the epiphysis?

A

GCT

chondroblastoma

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8
Q

Define MOCEF

A
Multiple myeloma
Osteosarcoma
Chondrosarcoma
Ewing's sarcoma
Fibrosarcoma
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9
Q

most common tumor <30yo

A

Osteosarcoma

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10
Q

most common tumor <10yo

A

Ewing’s

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11
Q

what is more common than all the MOCEF tumors put together?

A

mets

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12
Q

when do almost all benign tumors begin?

A

before the age of 30?

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13
Q

what is the benign tumor that occurs after the age of 30? how old?

A

GCT

20-40

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14
Q

age of onset MM

A

> 40

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15
Q

age of onset Osteosarcoma

A

<30

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16
Q

age of onset Chondrosarcoma

A

30-60

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17
Q

age of onset Ewing’s

A

<30

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18
Q

age of onset Fibrosarcoma

A

> 40

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19
Q

How do tumor-like conditions usually appear?

A

like geographic lesions

20
Q

what are the 3 benign primary tumors we are concerned with?

A

osteoma
osteoid ostemos
osteoblastoma

21
Q

what is garner’s syndrome?

A

multiple hamartomas in fibrous and soft tissue

22
Q

define hamartoma

A

tumor-like mass made of the same tissue as the host tissue but without function

23
Q

what accompanies the hamartomas in garner’s syndrome?

A

colonic polyps

24
Q

what is absolutely necessary for someone with garner’s syndrome? why?

A

annual colonoscopies. They have a 100% chance of getting colon cancer.

25
most common site for osteoma
paranasal sinus
26
in what direction do osteomas grow?
away from the cortex
27
Does an osteoma hurt? when? what relieves it?
no NA NA
28
how may an osteoma cause symptoms?
osteomas may cause secondary symptoms (headache) due to blocking the paranasal sinus
29
M:F osteoma
1:3
30
do osteoid osteomas hurt? when? what relieves it?
YES, at night, asprin
31
M:F osteoid osteoma
2:1
32
two most common areas for osteoid osteomas
tib/fib (50%), spine (10-15%)
33
what is the tumor of the osteoid osteoma?
tiny radiolucent nidus
34
why may you not see the nidus on an osteoid osteoma?
very dense solid periosteal reaction covers it
35
what can happen with an osteoid osteoma on the spine?
can cause an antalgic scoliosis. The lesion will be on the concave side of the scoliosis
36
where is the periosteal reaction to an osteoid osteoma on the femoral neck?
it will occur on the shaft/diaphysis where the periosteum begins again distal to the joint capsule
37
is an osteoid osteoma benign or malignant?
benign
38
is an osteoma benign or malignant?
benign
39
is an osteoblastoma benign or malignant?
benign
40
does an osteoblastoma hurt? when? what relieves it?
YES, all the time, not relieved by asprin
41
is there a periosteal reaction to osteoblastoma?
no
42
is there a periosteal reaction to osteoma?
no
43
what is the most common location for osteoblastoma?
spine 1/3 - 1/2
44
is an osteoblastoma likely to cause a scoliosis?
no
45
what issues could arise if an osteoblastoma is located in the lumbar or thoracic spine?
neuro issues - paresthesia, weakness, paraplegia
46
what is the most likely location for an osteoblastoma on the vertebrae?
posterior arch structures (TP, SP, lamanae)