single-system ectopic ureters

Single system ectopic ureters are usually associated with multiple congenital abnormalities and the corresponding renal units is frequently abnormal.

Synopsis

 unilateral or bilateral

 ectopic orifice

• vaginal
• vestibular
• urethral
• at the bladder neck
• seminal vesicle
• undetermined

 renal obstructive anomalies

• obstructive renal dysplasia
• chronic pyelonephritis

Associated anomalies (63%)

 unilateral or contralateral renal agenesis (26%)
 anorectal malformations
 hypospadias
 skeletal anomalies
 cryptorchidism
 unilateral cystic ovary

See also

 duplex-system ectopic ureters (ectopic ureter of duplex system)

References

 Wakhlu A, Dalela D, Tandon RK, Chandra H, Wakhlu AK. The single ectopic ureter. Br J Urol. 1998 Aug;82(2):246-51. PMID: 9722761