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This 25-year-old patient underwent removal of a lump on his back that had been present for 5 years. The diagnosis was not obvious on clinical examination or preoperative magnetic resonance imaging or in the operating room.
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The pathology was consistent with a diagnosis of an Ewing sarcoma, a neoplasm most commonly found in the skeletal system and in rare cases, skin or soft tissue. View this image on Figure 1 to find out more.
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The pathology was consistent with a diagnosis of an Ewing sarcoma, a neoplasm most commonly found in the skeletal system and in rare cases, skin or soft tissue.
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