Final

Question 1

Which of the following is a malignant neoplasm arising from stem cells of marrow reticulum?

Answer 1

Ewing’s sarcoma

Question 2

The term “one-eyed pedicle” or “winking owl” sign is associated with which of the following?

Answer 2

Metastases

Question 3

Which of the following is responsible for appx 70% of all skeletal metastasis in females?

Answer 3

Breast Cancer

Question 4

The most common location for Ewing’s sarcoma in bone is?

Answer 4

Diaphysis

Question 5

Which of the following is the most common primary malignant tumor of the spine?

Answer 5

Multiple Myeloma

Question 6

____ is the most common type of osteosarcoma

Answer 6

Conventional

Question 7

Most common sites for osteosarcoma are?

Answer 7

Knee and proximal humerus

Question 8

The most common location for osteosarcoma in a long bone is?

Answer 8

Metaphysis

Question 9

Serum protein electrophoresis is positive (80-90% of pts) and Bence-Jones proteinuria (40-60% of pts) is associated with pts who have?

Answer 9

Multiple Myeloma

Question 10

What is the most common primary malignancy of the entire skeletal system?

Answer 10

Multiple Myeloma

Question 11

Osteosarcoma is common in the spine?

Answer 11

False

Question 12

The most common pattern presentation for osteosarcoma

Answer 12

Sclerotic

Question 13

The periosteal rxn that is classically associated with osteosarcoma

Answer 13

Sunburst or spiculated

Question 14

Secondary osteosarcoma may develop from malignant degeneration of all of the following except?

Answer 14

Osteochondroma

pagets, HME, after radiation

Question 15

Which of the following locations is the most common site for chondrosarcoma

Answer 15

Innominate, femur is a close second

Question 16

Which of the following is the most common malignancy of bone?

Answer 16

Metastases

Question 17

_____ CA causes 60% of all skeletal metastases in men

Answer 17

Prostate

Question 18

Metastatic bone tumors most commonly affect the?

Answer 18

Spine

Question 19

It is much easier to see disease in the bone after the ____ is involved

Answer 19

Cortex

Question 20

_____ imaging is superior in the detection of metastatic disease in a limited area of the skeletal system

Answer 20

MRI

Question 21

Bone destruction with metastases may be permeative or moth-eaten with no sclerotic border

Answer 21

True

Question 22

Metastatic breast carcinoma is most often?

Answer 22

Lytic

Question 23

The most common radioisotope used in bone scans is?

Answer 23

Technetium 99 methylene diphosphonate

Question 24

A uniformly collapsed vertebral body or pathological fx due to metastases is common and is called?

Answer 24

Vertebra plana

Question 25

The most common location for osteochondritis dissecans is the ______ of the knee

Answer 25

Lateral aspect of the medial femoral condyle

Question 26

Which of the following is the most sensitive means of detecting AVN?

Answer 26

MRI

Question 27

What is the most common periosteal response that is associated with osteomyelitis?

Answer 27

Laminated

Question 28

What is the most common method of spreading infection?

Answer 28

Hematogenous

Question 29

An aneurysmal bone cyst is derived from ____ tissue

Answer 29

Vascular

Question 30

Which of the following periosteal response is NOT likely to be associated with benign bone lesion?

Answer 30

A laminated periosteal respone

Question 31

Most malignant bone lesions are?

Answer 31

Secondary

Question 32

What is the most common cause for an expanded rib?

Answer 32

Fibrous Dysplasia

Question 33

Which of the following does NOT represent Fibroxanthoma of bone?

Answer 33

Osteoma | non ossifiying fibroma & fibrous cortical defect

Question 34

Codman's triangle may be associated with all of the following except?

Answer 34

Osteochondroma | fracture, fibrosarcoma, ewings

Question 35

Which of the follwing tumors is considered to be a "quasi-malignant" tumor

Answer 35

Giant Cell

Question 36

Which of the following most frequently displays a similar periosteal reaction to infection?

Answer 36

Ewing's Sarcoma

Question 37

Osteonecrosis of the calcaneal apophysis is termed ___ disease

Answer 37

Sever's

Question 38

The most common benign bone tumor of the spine is a/an

Answer 38

Hemangioma

Question 39

90% of the cases of Paget's diseaseare asymptomatic at diagnosis and are discovered incidentally

Answer 39

True

Question 40

Another name for subchondral reactive sclerosis is?

Answer 40

Eburnation