PMC3544255_01
Retrograde pyeloureterography revealing right mid-ureteral filling defect.
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Retrograde ureteropyelography confirmed a 5 cm long tubular mass in the mid ureter proximal to the iliac vessels (Figure 1).
Ureteropyelography presenting a 5 cm long tumor in the right mid ureter (distal-mid-proximal part); inlaying guide wire.
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Further investigation was done by flexible ureteroscopy showing a pediculated tumor of the ureter with a vulnerable surface (Figure 2).
Thin-layer computed tomography demonstrating a small thickening of the right mid ureter.
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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).
HE staining showing a fibroepithelial polyp with covering urothel (a), some erosion, and inflammation (b), but no atypia or malignancy.
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Intraoperative frozen section revealed a benign fibroepithelial polyp (UFP) without evidence of malignancy (Figure 4).