Lab # 2 Hip Flashcards
what is the most frequent clinical symptom of mets in the bone?
pain
what is a pathological fracture?
a break in the bone caused by disease
which primary tumors cause most pathological fractures?
breast (50%)
kidney (10%)
thyroid (5%)
adencocarcinoma (5%)
on a radiograph most bone lesions appear _______
osteolytic
breast cancer lesions appear as ______ on radiographs
osteoblastic
what are the most frequent sites of bone mets?
vertebrae, pelvis, ribs, femur, skull
a __________ will identify most tumors metastases to the bone.
bone scan
Use of _________ is good for the identification of bone lesions.
Technetium-99m
_____________ have been reported to identify bone lesions in 3 – 4 months on average, which is earlier than a plain radiograph
Radionuclide bone scans
Tumors markers using ___________ and _________ have proven to be a valuable tool in both diagnosis and treatment.
bone-alkaline-phosphatase
prostate specific antigen
what are the critical structures when treating the hip?
bone
bone marrow
what is the TD 5/5 for bone?
5,200 cGy
what is the TD 5/5 for bone marrow?
2,500 cGy
what is the energy used when treating the hip?
6 MV
what is the depth when treating the hip?
midplane
