Demographics:
15 years old, Female
Indication:
Arm pain
Findings
- Ill-defined lesion with a moth-eaten appearance in the proximal humeral metadiaphysis with aggressive periosteal reaction and both osteoid and chondroid matrix formation
Diagnosis
Osteosarcoma
Sample Report
Ill-defined lesion with a moth-eaten appearance in the proximal humeral metadiaphysis with aggressive periosteal reaction and both osteoid and chondroid matrix formation. Findings are most concerning for conventional osteosarcoma. Consider MRI to further assess extent of tumor.
No acute fracture or malalignment.
Discussion