Tumors 1

Question 1

MC primary bone malignancy of adult bone and the spine

Answer 1

Multiple Myeolma

Question 2

Most metastatic lesions to bone arise from what primary sites?

Answer 2

Breast
Prostate
Kidney
Lung

Question 3

Most metastatic bone lesions are located in the (appendicular/ axial) skeleton and are rare …?

Answer 3

Axial; rare distal to the elbows or knees

Question 4

The term for a primary malignant of connective tissue origin is?

Answer 4

Sarcoma

Question 5

Term for destruction of local area with many tiny lytic lesions centrally and gradually fewer and fewer peripherally, fading into more normal bone?

Answer 5

Permeative

Question 6

Term describing multiple larger destructive areas with poorly defined margins and cortical destruction?

Answer 6

Motheaten (punched out)

Question 7

The majority of metastatic lesions to the skeleton are ( blastic / lytic )

Answer 7

lytic

Question 8

Because of the variety of x-ray appearances, two tumor-like disorders of bone sometimes referred to as the “great imitators” of bone disease. They are…

Answer 8

Paget’s

Fibrous Dysplasia

Question 9

The most common location for tumors to occur in long bones is the (diaphysis / metaphysis / epiphysis)

Answer 9

Metaphysis

Question 10

MC benign bone tumor

Answer 10

Osteochondroma

Question 11

MC benign bone tumor of hand

Answer 11

Enchondroma

Question 12

MC malignancy of bone

Answer 12

METs

Question 13

MC Primary bone malignancies and Ages

Answer 13

1. Multiple Myeloma >40 yrs
2. Osteosarcoma 10-25 yrs
3. Chondrosarcoma 50% 20-40 yrs, 50% >40 yrs
4. Ewing’s Sarcoma