Although CIC-DUX4 resulting in a t(4;19) translocation has been previously described in primitive sarcomas, this is the first report implicating the related DUX4 on 10q26 in oncogenesis.     ///    "Tumors positive for CIC-DUX4 fusion occurred mainly in male young adult patients (median age: 29 years), with the extremities being the most frequent location. "