Inclusion Criteria:  • Patients with bladder mass diagnosed by U/S ,CT or MRI and scheduled for cystoscopy  Exclusion Criteria:  • Patients with general contraindication for MRI examination (as metallic prosthesis, pacemaker or claustrophobia).  Patients with contraindication for transurethral resection (TUR) (as those unfit for anesthesia). Patients with high renal functions, as they are contraindicated for dynamic contrast enhancing imaging. Patients there histopathology proved that their bladder mass not TCC.