Myeloid sarcoma is a rare solid tumor consisting of leukemic myeloblasts and/or myeloid precursors occurring outside the blood or bone marrow. The unique site with myeloid sarcoma has been reported, the multiple sites of myeloid sarcoma have rarely been cited in the medical literature. Here we report that the unusual clinical presentation and management of myeloid sarcoma in multiple sites with PET-CT, highlighting the utility of PET-CT was useful in detecting and monitoring myeloid sarcoma. We also found that loss of TET2 and gain of 5 hmC in the case of myeloid sarcoma, indicating the mechanism for myeloid sarcoma is totally different with other hematopoietic malignancies.
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