Unusual Presentation of Duplex Kidneys: Ureteropelvic Junction Obstruction

Table 1

Characteristics of patients and management of UPJO associated with a duplicated collecting system.

Age	Gender	Type of duplication	Localization of duplication	Mean function of the involved renal moiety (%)	Type of surgery	Associated anomalies
4 months	Female	Incomplete	Right lower moiety	43	Ureteropyelostomy
7 years	Male	Complete	Left lower moiety	54	Pyeloplasty
6 years	Female	Complete	Right lower moiety	54	Pyeloplasty
2 years	Male	Complete	Left lower moiety	34	Pyeloplasty	Vesicoureteral reflux
1.5 years	Female	Complete	Right upper moiety	3	Heminephrectomy	Right ureterovesical junction obstruction
			Right lower moiety	41	Ureteropyelostomy
1 year	Male	Incomplete	Right renal lower moiety	42	Pyeloplasty	Right upper bagpipe renal collecting anomaly
			Right upper renal moiety	4	Heminephrectomy	Bilateral undescended testes
1 year	Male	Complete	Right renal upper moiety	0	Heminephrectomy	Left renal multicystic kidney
6 months	Male	Incomplete	Right lower moiety	35	Pyelopyelostomy
1 year	Male	Complete	Left lower moiety	59	Pyeloplasty	Horseshoe kidney + penoscrotal hypospadias
1 year	Male	Complete	Left lower moiety	55	Pyeloplasty
2 months	Female	Complete	Right lower moiety	19	Pyeloplasty	Right upper collecting system ends with ureterocele
3 months	Female	Complete	Right lower moiety	23	Pyeloplasty
5 months	Male	Incomplete	Right lower moiety	45	Pyelopyelostomy	Right renal with triplex system
3 years	Male	Incomplete	Left lower moiety	21	Pyelopyelostomy
1.5 years	Female	Incomplete	Left upper moiety	2	Heminephrectomy
5 years	Male	Incomplete	Right lower moiety	34	Ureteropyelostomy	Vesicoureteral reflux