Bone Tumours Flashcards
most common malignant bone tumour?
osteosarcoma
what malignant bone tumour produces bone?
osteosarcoma
where /who does osteosarcoma affect?
mainly adolescents
arises in metaphyses of long bones, esp around knee
what disease can cause secondary osteosarcoma?
PAGETS DISEASE
what malignant tumour produces cartilage?
chondrosarcoma
associated with pain or lump presents in axial skeleton of the middle ages (45 mean age) tend to be around pelvis/prox femur?
chondrosarcoma
popcorn calcification on xray
chondrosarcoma
what malignant bone tumour has onion sign of x-ray?
Ewing’s sarcoma
round cell tumour of long bones and limb girdles. usually in adolscents
Ewing’s Sarcoma
associated with fever, raised inflammatory markers
warm swelling
malignant
Ewing’s sarcoma
treatment for primary bone tumours?
surgery to remove tumour and surrounding tissue
amputations to minimise recurrence risk
biopsy needed for histological diagnosis
chemo and radio if appropriate
name some primary malignant tumours which commonly metastasize to bone
breast prostate lunng renal thyroid
most common benign bone tumour
osteochondroma
produces a bony outgrowth on external surface with a cartilaginous cap
osteochondroma
you are referred an 11 year old boy who has a lump which has appeared on the outside of his thigh, just above the knee. It has grown in size. the lump is painless. the boy is otehrwise well.
on examination you feel a firm bony lump. the skin is soft and overlying tissue is healthy.
on xray there is a bony spur
osteochondroma
