Figure 2
MRT of the right humerus: T1 with Gadolinium (*tse2d1rs3), coronar views. a: Cortical infiltration of the middle third of the diaphysis. The marrow is replaced by extensive edema, only few hyperintense nodules are left. b: Extraosseal soft tissue reaction (white arrow) affecting the radial nerve (blue arrow).The differential diagnoses are: acute osteomyelitis, Ewing sarcoma or osteosarcoma.