PMC

Schema of the transvesicoscopic UR for an ectopic ureter with a mate ureter in a duplex kidney. (a) A 5‐F catheter is inserted into the right lower pole ureter and fixed by 5‐0 absorbable sutures. (b) The right lower pole ureter is dissected. L, lower pole ureter. (c) The dilated ectopic upper pole ureter is detected through the hiatus by searching immediately posterior to the lower pole ureter. E, ectopic upper pole ureter. (d) The ectopic upper pole ureter is dissected. (e) The ectopic upper pole ureter is cut off. (f) The muscular defect in the ureteral hiatus is repaired using 4‐0 absorbable sutures. (g) The dilated ectopic upper pole ureter is plicated using 5‐0 absorbable sutures. (h) After the creation of the submucosal tunnel, both ectopic upper pole ureter and lower pole ureter are drawn gently together through the tunnel. A 4‐F catheter is inserted into the right upper pole ureter.

(A) Division of the common sheath demonstrating the dilated ectopic ureter (black arrow) and normal lower moiety ureter (white arrow). (B) Ectopic ureter dissected off the normal ureter. Mucosa of the bladder is seen pouting through the tunnel (white arrow). (C) Bleeding from the proximal cut end of the ectopic ureter (white arrow). (D) Ureter decompressed and posterior layer of the vesicoureteral anastomosis completed.

Urethral cystoscopy and retrograde pyelography findings. (a) Urethral cystoscopy findings indicate the location of the ectopic ureteral orifice of the right upper pole. The ectopic ureter opens beside the verumontanum at the prostatic urethra. The arrow indicates the ectopic ureteral orifice. V, verumontanum. (b) Retrograde pyelography shows that the right ectopic upper pole ureter is contrasted. The arrowhead indicates the dilated ectopic ureter.

T2‐weighted magnetic resonance image shows a right ectopic upper pole ureter in a duplex kidney. The ectopic ureter is dilated throughout its length. The arrowhead indicates a dilated ectopic ureter. (a) Transverse plane, (b) coronal plane.