Y-type congenital urethral duplication with normal dorsal urethra and small ventral fistula to perineal skin – 28th reported case
2016
Abstract There are numerous types of urethral duplication previously described in the literature including a Type IIA2Y where a large ventral channel branches from the hypoplastic, dorsal, orthotopic urethra. There have been 27 previously reported cases of a similar defect, called “congenital posterior urethrocutaneous fistula” (CUPF) with the only difference being that the ventral urethra is hypoplastic and the dorsal, orthotopic one normal. The difference in treatment for these 2 entities is markedly different, and preoperative identification of the appropriate abnormality is essential. Treatment of CUPF requires only safe excision of the ventral segment, but treatment for a Type IIA2Y duplication requires resection of the hypoplastic, orthotopic urethra and transposition of the larger ventral segment into the dorsal orthotopic position. The outcome for treatment of CUPF is much better than for treatment of Type IIA2Y entities. We herein present the 28th case of CUPF in the English literature with discussion of the anatomy, appropriate diagnostic criteria, and safe method of treatment for these entities.
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