Teaching Point: Extramedullary acute myeloid leukemia tumor belongs to the differential diagnosis when a tumor develops in a patient with a history of leukemia, and magnetic resonance imaging is of diagnostic value by demonstrating iso-intensity and hyperintensity compared to skeletal muscle respectively on T1- and T2-weighted images and homogeneous contrast enhancement.
Keywords: Acute; Extramedullary; Leukemia; MRI; Myeloid; nerve; radial; tumor.
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