Chapter 27 Quiz Flashcards
most metastatic bone disease occurs in the _____ and ______
spine and pelvis
the main shaft of the bone is the
diaphysis
where are the two most common locations for primary bone tumors?
why?
proximal tibia & distal femur
because they both possess large growth plates
which of the following is a radiation therapy emergency related to bone cancer or bone metastasis
spinal cord compression
osteosarcomas are (radioresistant/radiosensitive)
radioresistant
what are the two treatments of choice for multiple myeloma
radiation and chemo
the incidence rate of bone cancer is highest during what period
adolescence
a nonosseous malignant tumor of the marrow is a/an
multiple myeloma
a bone lesion that results from primary sites elsewhere in the body is a/an
metastatic tumor
_________ is commonly used to treat metastatic bone disease that results from primary prostate or breast cancer
strontium 89
the rationale for leaving a 1 cm to 3cm strip of skin and soft tissue rather than total circumferential irradiation of an extremity being treated for soft tissue sarcoma is that it
avoids future excessive fibrosis and edmea
to avoid lymphedema (want to maintain lymphatic drainage)
advantages of preoperative radiation therapy for soft tissue sarcomas include
possibility of less agressive surgery because of tumor regression
the most common site of metastasis from primary bone cancer is
lung
chondrosarcomas are ____ (chemoresistant/chemosensitive)
chemoresistant
osteoblastic lesions will appear ___ on a radiograph
brighter