Musculoskeletal Onc

Question 1

Bone Sarcoma

Answer 1

Rare tumors
Osteosarcoma
Mesenchymal origin

Question 2

Osteosarcoma

Answer 2

2nd most common bone malignancy

Males in 2nd decade

Question 3

Most common bone tumor

Answer 3

MM

Question 4

Primary sites that metastasize to bone?

Answer 4

Prostate
Breast
Lung
Thyroid
Kidney

Question 5

Most likely lytic metastatic lesion?

Answer 5

Breast CA

Question 6

Ewing lesions tend to be?

Answer 6

Lytic, but then the body reacts and starts to be blastic.

Question 7

Pagets Dz

Answer 7

Chronic disorder resulting in enlarged, misshapen bones.

Question 8

Ewings

Answer 8

Second most common bone malignancy of kids.
Long bones
Destructive lesions
Onion skin

Question 9

Ewings can metastasize to?

Answer 9

Other bones, lungs

Question 10

Chondrosarcoma

Answer 10

Malignant tumors more common in adults.
Axial skeleton
Slow growing, mets to lung

Question 11

Osteochondromas

Answer 11

Most frequent neoplasm of skeleton
Usually at ends of long bones (shoulder and knee)
Benign

Question 12

Breast CA bone lesions are usually osteo____

Answer 12

Osteolytic

Question 13

Prostate CA lesions are usually osteo___

Answer 13

Osteoblastic

Question 14

Most common site of skeletal mets?

Answer 14

Spine

present w/ back pain