SKEL B FINAL REVIEW

Question 1

What 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 ?

Answer 2

Metastases

Question 3

What is responsible for approximately 70% of all skeletal metastasis in females?

Answer 3

Breast Cancer

Question 4

The MC Location for Ewing’s sarcoma in the bone is the ?

Answer 4

The Diaphysis

Question 5

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

MC sites for osteosarcoma are the ?

Answer 7

Knee and Proximal Humerus

Question 8

The MC location for osteosarcoma in a long bone is the ?

Answer 8

Metaphysis

Question 9

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

Answer 9

Multiple Myeloma

Question 10

What is the most common primary malignancy of the entire spine?

Answer 10

Multiple Myeloma

Question 11

Osteosarcoma is common in the spine. True or False

Answer 11

False

Question 12

The most common pattern presentation for osteosarcoma is _____________.

Answer 12

sclerotic

Question 13

The periosteal reaction that is classically associated with osteosarcoma is _______________.

Answer 13

“Sunburst” or “spiculated

Question 14

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

Answer 14

Osteochondroma

Question 15

Which of the following locations is the most common sign for chondrosarcoma?

Answer 15

The Femur

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 bone after the _____ is involved.

Answer 19

Cortex

Question 20

______ imaging is superior in the direction 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. TRUE/FALSE

Answer 21

True

Question 22

Metastatic breast carcinoma is most often ________.

Answer 22

Lytic

Question 23

The MC radioisotope used in bone scan is _____________.

Answer 23

Technetium 99 methylene diphosphonate

Question 24

A uniformly collapsed vertebral body or pathological fracture due to metastases is common and is called a/ an

Answer 24

Vertebra plana

Question 25

The MC 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 avascular necrosis?

Answer 26

MRI

Question 27

What is the MC periosteal response that is associated with osteomyelitis??

Answer 27

Laminated

Question 28

What is the MC method of spreading infections?

Answer 28

Hematogenous

Question 29

An aneurysmal bone cyst is derived from __________ vascular.

Answer 29

Vascular

Question 30

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

Answer 30

A laminated periosteal response

Question 31

Most malignant bone lesions are primary or secondary

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 a fibroxanthoma of bone?

Answer 33

osteoma

Question 34

Codman's triangle may be associated with all of the following EXCEPT ________

Answer 34

osteochondroma

Question 35

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

Answer 35

Ewing's Sarcoma

Question 36

Osteonecrosis of the calcaneal apophysis is termed ____________ disease.

Answer 36

Sever's

Question 37

THE MC benign tumor of the spine

Answer 37

Hemangioma

Question 38

90% of the cases of paget's disease are asymptomatic at diagnosis and are discovered incidentally. True or False.

Answer 38

True

Question 39

Which of the following tumors is con sired to be a "quasi-malignant" tumor?

Answer 39

Giant Cell

Question 40

Another name for subchondral reactive sclerosis is___________.

Answer 40

Eburnation