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Osteosarcoma

Case contributed by Paresh K Desai
Diagnosis probable

Presentation

Right knee swelling.

Patient Data

Age: 18 years
Gender: Female
x-ray

Radiographs show classic features of osteosarcoma - osteoid matrix, sunburst type of periosteal reaction, large soft tissue mass, and displacement of fat planes. The mass probably is extruding into the knee joint.

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