Which type of tumor can manifest with bone pain swelling fever and increased ESR mimicking an infection?
Ewing sarcoma is a malignant round cell tumor with a predilection for the long bones and pelvis that can manifest with pain, swelling, fever, and increased ESR. Radiographs may show a permeative or moth-eaten pattern of bone destruction with an onion-skin type of periosteal reaction and an associated soft tissue mass.
