Mixed epithelial and stromal tumor of the kidney extending to the proximal ureter in a 41-year-old female

Mixed epithelial and stromal tumor of the kidney extending to the proximal ureter in a 41-year-old female

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We report the case Roasting Dish of a 41-year-old pregnant female who presented with a complicated urinary tract infection.Further imaging revealed left hydronephrosis and filling defects extending from the proximal ureter to the upper pole of the kidney, with the presumed diagnosis of a fibroepithelial polyp.The patient underwent a four-stage percutaneous and ureteroscopic ablation and resection.Following the procedure, pathology instead confirmed the presence of a Mixed Epithelial and Stromal Tumor of the Kidney.For lesions that extend intraluminally into the ureters, a ureteroscopic and percutaneous resection can be considered cable crimp as an alternative surgical approach.