Bone Cancer Flashcards
what are the two forms of bone cancer
primary and secondary and benign forms as well
what is the most common of the two forms
secondary
why is bone a common secondary site
its highly vascularized and large
Primary types are based on what
histology
what are some examples of primary bone cancer
osteosarcoma chondrosarcoma fibrosarcoma osteoclastoma Ewings
what its the most common primary type
osteosarcoma
where is the malignancy in osteosarcoma
in the bone
whats the common site for this cancer to be in
the long bone surrounding the knees
is it aggressive
yes- met to the lungs
what are the occurrences in younger people
75% in those under 20 and 25% in those with an underlying bone disease (like osteoporosis)
What is the percentage that spreads to the bone as a secondary site
50% of cancers spread to the bone 85% from the lungs, breast, and prostate
what are the two type of lesions that occur
lytic and blastic
how can you have both occurring at once
lytic is the destruction of bone material
and blastic is the filling of the bone with extra cells
manifestations of bone cancer
pain and swelling
complication that arises
fracture
