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Rx:
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mostly lytic lesions
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a mixture of permeative, moth-eaten or destructive patterns of the bone cortex
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often reactive changes of the periosteum
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contrast-enhanced CT scan:
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demonstrates the boundaries of any extraosseous extension
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indicates cortical breakthrough by the tumour
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detects osteolysis, osteosclerosis and fragments of bone sequestra
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MRI:
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more detailed extension of disease
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evidence of cortical changes, intratumoural fibrosis, replacement of trabecular bone
and bone marrow by tumour
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PET-CT:
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recommended for initial evaluation, staging and response assessment
Radiographic findings