osteosarcoma Flashcards
1
Q
age usually presents
A
adolescents and younger adults aged 10-20
2
Q
most common sites
A
femur is most common
tibia
humerus
3
Q
presentation
A
persistent bone pain, worse at night
can disturb sleep
bone swelling
palpable mass
restricted joint movements
4
Q
Mx - children presenting with unexplained bone pain or swelling
A
very urgent direct access x-ray within 48hrs
5
Q
Mx - xray suggests possible sarcoma
A
very urgent specialist assessment within 48hrs
6
Q
xray findings
A
poorly defined lesion
- destruction of normal bone
- fluffy appearance
periosteal reaction with sun-burst appearance
7
Q
blood test results
A
raised ALP
8
Q
Mx
A
surgical resection , often with limb amputation
adjuvant chemotherapy
9
Q
main complications
A
pathological bone fractures
metastasis
