 We report the case of a 58-year old patient, showing a solid image in the right kidney, who underwent radical nephrectomy that revealed neoplasia, whose pathological study led to the diagnosis of kidney carcinoma associated with Xp11.2 translocation / TFE3 (ASPL-TFE3) gene fusion.     ///    Kidney carcinoma associated with Xp11.2 translocation / TFE3 (ASPL-TFE3) gene fusion.. 