Other forms of Bone Cancer Flashcards
What is Ewing’s sarcoma?
Malignant tumour that occurs in the diaphysis of the pelvis and long bones
Where does Ewing’s sarcoma occur?
In the pelvis and long bones
What type of tumour would Ewing’s cause?
Small round blue cell tumour
Who is Ewing’s seen in?
Children
Adolescents
How does Ewing’s sarcoma present?
Severe pain
What would you see on an x-ray with Ewing’s sarcoma?
‘Onion skin’ appearance
How is Ewing’s sarcoma diagnosed?
Fine-needle aspiration of lesion
What would you find in fine needle aspiration of Ewing’s sarcoma?
Presence of EWS-FLI1 protein
What is Chondrosarcoma?
Malignant tumour of cartilage
What does chondrosarcoma affect?
AI affects the axial skeleton, not the diaphysis of long bones
Who is chondrosarcoma more common in?
Middle aged
What is Osteoma?
Benign ‘overgrowth’ of bone
Where does osteoma normally occur?
Most typically occurring within the skull.
What is osteoma classically associated with?
Gardner’s syndrome (a variant of familial adenomatous polyposis, FAP)
What is Osteochondroma?
Most common benign bone tumour.
