In Ewing sarcoma (ES) CT scan can assess:
- Extent of bone destruction and cortical disruption
- Helps to plan biopsy
|
CT Scan |
Role |
Local - Defines the extent of bone destruction and extra-osseous tumor
Distant - Shows pulmonary metastases
|
Appearance |
Bone destruction and associated soft tissue mass
|
Limitations |
Not sensitive to intramedullary tumor extension
|
The CT scan below shows ES arising from the right scapula. There is cortical destruction (#1) and a mass can be seen between the right scapular spine and the trapezius.
