Osteosarcoma

Case contributed by Dr Henry Knipe

Presentation

Leg pain for a few months.

Patient Data

Age: 12 years
Gender: Female
X-ray

Ill-defined mixed sclerotic/lucent lesion at the proximal tibial metaphysis and diaphysis not crossing the growth plate. It is ill-defined with a sunburst periosteal reaction

Case Discussion

This lesion is aggressive with the findings typical a primary bone tumor. Osteosarcoma (as proven post surgical resection in this case) and Ewing sarcoma are the two most common primary bone tumors in children. 

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