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Rx:

mostly lytic lesions

a mixture of permeative, moth-eaten or destructive patterns of the bone cortex

often reactive changes of the periosteum

contrast-enhanced CT scan:

demonstrates the boundaries of any extraosseous extension

indicates cortical breakthrough by the tumour

detects osteolysis, osteosclerosis and fragments of bone sequestra

MRI:

more detailed extension of disease

evidence of cortical changes, intratumoural fibrosis, replacement of trabecular bone

and bone marrow by tumour

PET-CT:

recommended for initial evaluation, staging and response assessment

Radiographic findings