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 Indian J Med Microbiol  
 

Figure 9 (A-C): A 56-year-old male with intramuscular osteosarcoma of the right arm. Frontal radiographs of the right elbow (A) show irregular ossifications within the soft tissues (arrow). Axial CT scan (B) and sagittal contrast enhanced T1W MRI (C) show an intramuscular mass (arrowheads in B). In contrast to MO, the ossifications are seen at the lesion's heart (star) as a hyperdense mass (arrowhead in B) on CT scan and as a hypointense lesion on MRI (star in C). The MRI shows a large irregular lesion with global heterogeneous enhancement (arrowhead) and central areas of hypointensity, corresponding to the ossifications (star)

Figure 9 (A-C): A 56-year-old male with intramuscular osteosarcoma of the right arm. Frontal radiographs of the right elbow (A) show irregular ossifications within the soft tissues (arrow). Axial CT scan (B) and sagittal contrast enhanced T1W MRI (C) show an intramuscular mass (arrowheads in B). In contrast to MO, the ossifications are seen at the lesion's heart (star) as a hyperdense mass (arrowhead in B) on CT scan and as a hypointense lesion on MRI (star in C). The MRI shows a large irregular lesion with global heterogeneous enhancement (arrowhead) and central areas of hypointensity, corresponding to the ossifications (star)