case_images: PMC3544255_01
case_images: Retrograde pyeloureterography revealing right mid-ureteral filling defect.
case_images: CRIM.UROLOGY2012-901693.001.jpg
case_images: PMC3544255_01_CRIM.UROLOGY2012-901693.001.jpg
case_images: fig1
case_images: Retrograde ureteropyelography confirmed a 5 cm long tubular mass in the mid ureter proximal to the iliac vessels (Figure 1).
case_images: Ureteropyelography presenting a 5 cm long tumor in the right mid ureter (distal-mid-proximal part); inlaying guide wire.
case_images: CRIM.UROLOGY2012-901693.002.jpg
case_images: PMC3544255_01_CRIM.UROLOGY2012-901693.002.jpg
case_images: fig2
case_images: Further investigation was done by flexible ureteroscopy showing a pediculated tumor of the ureter with a vulnerable surface (Figure 2).
case_images: Thin-layer computed tomography demonstrating a small thickening of the right mid ureter.
case_images: CRIM.UROLOGY2012-901693.003.jpg
case_images: PMC3544255_01_CRIM.UROLOGY2012-901693.003.jpg
case_images: fig3
case_images: A staging CT scan was performed which showed a nonspecific slight dilatation of the right renal pelvis and a small thickening of the right ureter without evidence of metastasis or lymphadenopathy (Figure 3).
case_images: HE staining showing a fibroepithelial polyp with covering urothel (a), some erosion, and inflammation (b), but no atypia or malignancy.
case_images: CRIM.UROLOGY2012-901693.004.jpg
case_images: PMC3544255_01_CRIM.UROLOGY2012-901693.004.jpg
case_images: fig4
case_images: Intraoperative frozen section revealed a benign fibroepithelial polyp (UFP) without evidence of malignancy (Figure 4).