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Bone metastasis: Difference between revisions
→Diagnosis and evaluation
(Created page with "'''Bone metastases''' are far more frequent than primary bone tumors. Bones are the third most common site of metastasis, after the lung and liver. They are often multiple rather than solitary. The most frequent symptom of bone metastasis is strong bone pain and pathological fractures. == Etiology == These metastases often originate from: * Breast cancer * Lung cancer * Prostate cancer * ...") |
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== Diagnosis and evaluation == | == Diagnosis and evaluation == | ||
Radiography is low sensitivity for both lytic and blastic bone lesions, but it is quite specific. More than 50% of the trabecular bone must be destroyed for the lesion to be visible on radiography. CT and MRI have high sensitivity and specificity. | Radiography is low sensitivity for both lytic and blastic bone lesions, but it is quite specific. More than 50% of the trabecular bone must be destroyed for the lesion to be visible on radiography. The [[Codman triangle]] may be visible on x-ray. | ||
CT and MRI have high sensitivity and specificity. | |||
Bone scintigraphy and PET or PET/CT is very sensitive for bone lesions but is less specific than CT or MRI. | Bone scintigraphy and PET or PET/CT is very sensitive for bone lesions but is less specific than CT or MRI. | ||