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Fig. 6 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 6

From: Proton MR spectroscopy in characterization of focal bone lesions of peripheral skeleton

Fig. 6

A 17-year-old female patient with pain in the left thigh. a Radiograph showing a dense sclerotic lesion in the metaphysis of the left proximal femur with an apparent sun-burst type of periosteal reaction along the lateral aspect (arrow) and matrix ossification. The radiographic diagnosis was osteosarcoma. b Coronal T1-weighted post-contrast image shows metaphyseal lesion with a radiating type of periosteal reaction (arrow). Contrast enhancement is seen within the periosteal component. c MRS shows no discrete choline peak. A tall lipid lactate peak is noted. Histopathology was proven to be chronic osteomyelitis

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