Bone tumours

Question 1

• Benign overgrowth of tissue, occurring in the school
• Associated with Gardner’s syndrome

Answer 1

Osteoma

Question 2

Most common benign bone tumour, usually diagnosed in males <20 yrs. Presents with cartilage-capped bony projection on the external surface of a bone

Answer 2

Osteochondroma

Question 3

‘Double bubble’ or ‘soap bubble’ appearance. Occurring most frequently in epiphyses of long bones

Answer 3

Giant cell tumour

Question 4

Most common primary malignant bone tumour. Shows codman triangle and ‘sunburst pattern’ on X-ray

Answer 4

Osteosarcoma

Question 5

Small, round blue cell tumour seen in children and adolescents. Causes severe pain and shows ‘onion skin’ appearance on x-ray

Answer 5

Ewsing’s sarcoma

Question 6

Malignant tumour of cartilgae, most common in the axial skeleton and effects middle aged pts

Answer 6

Chondrosarcoma