Benign Bone Tumours Flashcards
most common benign tumour
osteochondroma
what is an osteochondroma
bony outgrowth on the external surface of bone which is covered with a cartilaginous cap
- usually asymptomatic
- may produce local pain
most common site for osteochondroma
knee
what is an enchondroma
an intramedullary metaphyseal cartilaingous tumour
where do enchondromas typically occur
hands + feet
- usually asymptomatic but can weaken bones and result in pathological fractures
treatment of enchondromas
currettage
what is an osteoid osteoma
a small nidus of immature bone surrounded by sclerotic halo
secretes prostaglandins – causes pain
what age group gets osteoid osteomas
adolescents
most common site for osteoid osteoma
femur
predominant clinical feature of osteoid osteoma
constant pain that is worse at night
pain relief for osteoid osteoma
NSAIDs
what is a Brodie’s abscess
an intraosseous abscess as a result of subacute osteomyelitis
what organism causes a brodies abscess
Staph. Aureus
