Benign bone tumours

Question 1

describe what osteoid osteoma is

Answer 1

painful, benign tumour of long bones

Question 2

what group of people is osteoid osteoma usually seen in

Answer 2

young people aged 5-25 years old

Question 3

describe the pathology seen in osteoid osteoma

Answer 3

central nodule of woven bone with osteoblastic rim

Question 4

describe the clinical features of osteoid osteoma

Answer 4

pain worse at night, relived by aspirin, usually resolve spontaneously

Question 5

what treatment can be used for osteoid osteoma

Answer 5

radiofrequency ablation

Question 6

what is seen on xray for osteoid osteoma

Answer 6

‘little o’

Question 7

what is the most common benign bone tumour

Answer 7

osteochondroma

Question 8

what is an osteochondroma formed from

Answer 8

abnormal cartilage

Question 9

what group of people is osteochondroma seen in

Answer 9

adolescents/young adults

Question 10

what do otseochondroma tumours form

Answer 10

cartilage and bone

Question 11

describe the usually appearance of osteochondroma

Answer 11

very distinct, large growth, can be solitary or have lots of tumours around body

Question 12

when may an osteochondroma be removed

Answer 12

if causing pain or affected surrounding nerve

Question 13

describe what an enchondroma is

Answer 13

benign intramedullary cartilage lesion

Question 14

what group of people are enchondromas usually seen in

Answer 14

20 - 50 year olds

Question 15

describe the usual presentation of enchondromas

Answer 15

usually asymptomatic and an incidental finding

Question 16

what treatment can be used for enchondromas if symptomatic

Answer 16

curettage and bone grafting