SONOWORLD : Osteosarcoma of the femur
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Musculoskeletal » Lower Extremity
Osteosarcoma of the femur
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Author(s) :
Ravi Kadasne, MD
Presentation An adult male presents with a palpable mass in the anterior lower thigh.  Ultrasound was performed to characterize the mass.
Caption: Transverse view of the soft tissue mass
Description: The hypoechoic soft tissue mass is seen here. The bony spicules within the mass exhibit dense posterior shadowing.
Caption: Sagittal scan of the lower end of the femur
Description: The sun-ray appearance is appreciated again in this image. Multiple defects in the cortex of the femoral bone are also seen here.
Differential Diagnosis Osteosarcoma, Ewing's sarcoma
Final Diagnosis Osteosarcoma of the femur