Chapter 27 WS Flashcards
What is the most common primary bone tumor in children?
osteosarcoma
What is the most common primary bone tumor in adults?
chondrosarcoma
What is the 2nd most common primary bone tumor in adults?
osteosarcoma
what is multiple myeloma
A malignant disease of the plasma cells which causes as abnormal absorption of bone resulting in painful osseous lesions
In general, do most primary bone tumors occurs more often in males or females?
males
are giant cell tumors (GCT) most often benign or malignant?
benign
which is more common, primary bone disease or metastatic bone disease?
mets
what is the most common primary cancer to spread to bone?
lung cancer
translocation of what chromosomes are most often associated with Ewing Sarcoma?
11 and 22
define diaphysis
main shaft of the bone
define epiphyses
the knoblike portion at either end of a long bone
define periosteum
the hard dense covering of the bone
where is the most common sites of occurrence of osteosarcomas?
Distal femur followed by the proximal tibia and the proximal humerus.
Where do Ewing sarcomas most often develop?
In the appendicular skeleton (pelvis, femur) seen more often in the diaphysis.
what three primary cancers most often mets to the bone
lung, breast, and prostate