Malignant bone tumours

Question 1

what is the most common primary sarcoma of bone

Answer 1

osteosarcoma

Question 2

what group of people does sarcoma tend to affect

Answer 2

children/young adults, second peak in elderly

Question 3

where is osteosarcoma usually located

Answer 3

around distal femur/proximal tibia

Question 4

what is a common metastases for primary osteosarcoma

Answer 4

pulmonary metastases, 10-20%

Question 5

what treatment is used for osteosarcoma

Answer 5

chemotherapy and limb salvage

Question 6

what is the second most common primary malignant bone disease

Answer 6

Ewing’s sarcoma

Question 7

what group of people does Ewing’s sarcoma tend to affect

Answer 7

young people between 5 and 25

Question 8

where is Ewing’s sarcoma usually located

Answer 8

in diaphysis of long bones, distal femur/proximal tibia

Question 9

what treatment is used for Ewing’s sarcoma

Answer 9

chemotherapy, limb salvage + adjuvant therapy

Question 10

what is the survival rate of Ewing’s sarcoma

Answer 10

5 year 70% if localised, 30% if mets

Question 11

what group of people is chondrosarcoma usually seen in

Answer 11

40-75 years old

Question 12

what areas is chondrosarcoma most common in

Answer 12

pelvis, proximal and distal femur

Question 13

describe the behaviour of chondrosarcoma tumour

Answer 13

can be slow-growing or aggressive