A 15-year-old boy reports with a rapidly growing swelling of the mandible with intermittent pain. Patient history is that the swelling occurred after an episode of trauma. Radiographs reveal formation of new subperiosteal bone producing Onion Skin appearance. The patient also has lip paresthesia elevated white blood cell count
One of the following statements is true for Ewing's sarcoma
An episode of trauma often precedes development of Ewing's sarcoma
Trauma is the main etiology in the development of Ewing's sarcoma
Relationship between trauma and Ewing's sarcoma has never been reported
Trauma can be considered as etiology for Ewing's sarcoma provided there is secondary infection