Bone tumours Flashcards
1
Q
What is the most common bone tumour?
A
Bony mets Tend to be from BLT + KP sauce B - Breast L - Lung T - Thyroid K - Kidneys P - Prostate *Most lytic lesions except prostate which is sclerotic*
2
Q
How do bony mets present?
A
Pain
Pathological fracture
Usually in axial skeleton
3
Q
What is an osteochondroma?
A
Commonest benign bone tumour
Cartilage capped bony projections develop on the surface of bones esp the knee. May be due to previous trauma
Happens in 10-20s
4
Q
What is a chondrosarcoma?
A
Malignant neoplasm of the cartilage
Pain + lump develop, usually in p’s >40
Can arise from chondromas
On X-ray - lytic lesion with a fluffy ‘Popcorn calcification’
5
Q
What is an osteosarcoma?
A
Most common primary bone malignancy Malignant tumour of bone Usually in adolescents Pain, warm, bruit over metaphyisis On x-ray see periosteal reaction of sunburst appearance, codman's triangle
6
Q
What is an Ewing’s sarcoma?
A
Malignant tumour of bone
Usually