Exam 3 Tumors and Tumor like conditions

Question 1

These two occur most commonly ages 10-25

Answer 1

Ewing’s

Osteosarcoma

Question 2

Giant Cell Tumors occur mostly between the ages of __ to __

Answer 2

20 to 40

Question 3

Chondrosarcoma occurs mostly between ages __ to __

Answer 3

55 to 70

Question 4

Myeloma generally occurs between the ages of __ to __

Answer 4

50 to 70

Question 5

The majority of bone tumors prefer (males/females)

Answer 5

males

Question 6

What is the most common malignancy in children ages 0-14?

Answer 6

Leukemia

Question 7

Metastatic disease accounts for __% of all malignancies

Answer 7

75

Question 8

most common primary malignant tumor in adults

Answer 8

multiple myeloma

Question 9

most common primary malignant tumor in kids

Answer 9

osteosarcoma

Question 10

most common benign osseus tumor

Answer 10

osteochondroma

Question 11

most common benign spinal tumor

Answer 11

hemangioma

Question 12

in the femur, which end grows faster?

Answer 12

distal

Question 13

in the tibia which end grows faster?

Answer 13

proximal

Question 14

in the humerus, which end grows faster?

Answer 14

proximal

Question 15

in the forearm, which end grows faster?

Answer 15

distal

Question 16

benign or malignant?

geographic pattern of bone destruction

Answer 16

benign

Question 17

benign or malignant?

moth-eaten pattern of bone destruction

Answer 17

malignant

Question 18

benign or maliignant?

permeative pattern of bone destruction

Answer 18

malignant

Question 19

this type of bone destruction is the least aggressive pattern

Answer 19

geographic

Question 20

T or F

geographic bone patterns almost never have pain

Answer 20

true

Question 21

moth-eaten bone destruction has a ____degree of aggressiveness

Answer 21

moderate

Question 22

there must be __to__% destruction before a tumor can be visible on plain film

Answer 22

30 to 50

Question 23

1 imaging choice for tumor suspicion

Answer 23

plain film

Question 24

case

moth-eaten holes in the medullary canal in a 20 yo is likely what

Answer 24

ewing sarcoma

Question 25

this type of bone destruction is the most aggressive growing

Answer 25

permeative

Question 26

this type of periosteal reaction is when additional layers of new bone are added to the exterior creating an expanded osseous contour, it is usually associated with ___ growing lesions

Answer 26

buttressing/solid

slow

Question 27

this type of periosteal reaction is multiple layers of new layers of bone, alternating lucency and opacity

Answer 27

laminated/layered/onion skin

Question 28

laminated/layered/onion skin periosteal reactions are classically associated with ____

Answer 28

ewing’s sarcoma

Question 29

this type of periosteal reaction is linear radiating spicules of new bone

Answer 29

spiculated

Question 30

when spicules of new bone are perpendicular to the bone it is known as ___

Answer 30

hair on end

Question 31

when spicules are radiating from a central focus it is known as _____

Answer 31

sunburst

Question 32

spiculated periosteal reactions are associated with ___aggressive lesions such as _____

Answer 32

highly

osteosarcoma

Question 33

a triangular elevation of periosteum seen at the peripheral lesion-cortex junction

Answer 33

codman’s triangle

Question 34

T or F

codman’s triangle is one of the most aggressive forms of periosteal reaction

Answer 34

true