X-Ray reveals an illdefined lytic area in the femoral diaphyseal aspect, with cortical destruction, periosteal reaction, wide zone of transition, and soft tissue component.
Diagnosis
Ewing's Sarcoma
RAD PEARLS
Belongs to PNET group of tumors
Femur is the most common site
Common in age group 10-20 years
Aggressive with wide zone of transition, Onion ring appearance of periosteal reaction may be present.
