Subcutaneous Ewing sarcoma is very rare. This report presents the case of a 23-year-old woman with a history of primary subcutaneous Ewing sarcoma who recently found a gradually increasing mass. Recurrent subcutaneous Ewing sarcoma was thus suspected. 18F-FDG PET/CT was performed and showed an FDG-avid mass in her buttocks. Subsequent histopathological and immunohistochemical tests were consistent with subcutaneous Ewing sarcoma.

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http://dx.doi.org/10.1097/RLU.0000000000003620DOI Listing

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