Fig. 3a.

X-ray (a) AP (b) lateral and (c) oblique reveals a cortical irregularity (arrow) with aggressive periosteal reaction along the antero-medial aspect of mid shaft of left femur: Ewing's sarcoma. There is sunray (*), and multilaminated (arrowhead) types of periosteal reaction. Also seen in Codman's triangle (arrow) in (c). MRI (d) T2 FAT SAT coronal, (e) sagittal Images reveal aggressive periosteal reaction with ill defined marrow edema in mid femur with extension into overlying soft tissue. DWI (f) images show restriction in the lesion with reversal of signal on ADC (g). (b) Post operative X-Ray showing post tumor resection Endoprosthesis in situ.