Isolated myeloid sarcoma of the temporal bone: As the first clinical manifestation of acute myeloid leukemia in a patient of down’s syndrome

摘要

IntroductionLeukemia is the most common malignancy of childhood but myeloid sarcoma is a rare presentation of underlying leukemic disorder. Myeloid sarcoma (MS) is a rare tumor composed of proliferation of myeloid precursors at extramedullary sites.