Previous reports have focused on the fact that laminar periosteal new bone is a common radiologic sign of Ewing's sarcoma of the jaws. Critical analysis of the literature does not lead to this conclusion. A case is reported and radiologic appearances described. A review of the literature shows striking clinical and radiologic similarities to osteogenic sarcoma of the jaws. A differential radiologic interpretation of Ewing's sarcoma of the jaws is offered.
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