Botryoid-type of embryonal rhabdomyosarcoma of the proximal and mid ureter in an adult woman
We report a unique case of botryoid-type embryonal RMS of the proximal and mid ureter in a pregnant 29-year-old woman.The ureteral polyp consisted of a 3 Piece Full Bookcase Bed malignant small blue round cell tumor with a myxoid background and contained evidence of foci of immature cartilage and aggregates of epithelial cells reminiscent of hair f