Pathological, cytogenetic, FISH and PCR analysis revealed a glycogenated carcinoma rarely expressing cytokeratins and showing t(15;19) and BRD4-NUT gene rearrangement.     ///    Midline carcinoma with t(15;19) and BRD4-NUT fusion oncogene in a 30-year-old female with response to docetaxel and radiotherapy..     ///    The t(15;19) results in the fusion oncogene BRD4-NUT.     ///    "We herein describe, in detail, the laboratory methods by which the BRD4-NUT -rearrangement can be detected.. "