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J Pediatr Urol ; 13(6): 613.e1-613.e4, 2017 Dec.
Article in English | MEDLINE | ID: mdl-28625744

ABSTRACT

INTRODUCTION: Severe genital abnormalities such as urogenital sinus and urethral duplication with ectopic urethra in the rectum represent a major challenge in reconstructive urology. OBJECTIVE: We aimed to review our cases presenting with functional ectopic urethra implanted in the rectum that were treated through an ASTRA approach. METHODS: We reviewed the medical records of all patients who had undergone an ASTRA approach from 2005-2016. We collected data with interest to primary diagnosis, clinical presentation, additional procedure, immediate clinical outcome, complications, bowel habits after surgery, voiding and bladder emptying pattern and long term follow-up. RESULTS: Since 2005, we treated 6 cases using this method, consisting of 3 patients with congenital aphallia and 3 with Y-type urethral duplication. Two aphallia patients underwent De Castro's neophalloplasty with simultaneous anastomosis of proximal urethra to a tubed buccal mucosa neourethra and one had a neophalloplasty with transverse skin flaps and primary perineal urethrostomy. Two patients with Y-type urethral duplication had a complete urethroplasty performed (one end-to-end anastomosis and a two-stage repair). Last patient had a definitive perineal urethrostomy. At mean follow-up of 83.5 meses, only one patient voids through the urethra, four have a Mitrofanoff channel and two have a perineal urethrostomy. Immediate follow-up was uneventful and none of our patients had any bowel complications nor fecal incontinence. DISCUSSION: Domini et al. were the first proponents of the anterior sagittal transanorectal approach (ASTRA) as an alternative to classic Peña approach. Later, De Castro popularized specifically this technique as a relevant part of his neophalloplasty procedure to treat congenital aphallia. We did not find in this series any complications related to ASTRA technique in regards to bowel habits, fecal incontinence or infection but most of cases we tried to create a new anterior urethra and connect to the proximal stump failed. Moreover, we are skeptic to support simultaneous urethral repair when there is a dysplastic bulbar segment between the proximal stump and the end of the penile urethra normally at penoscrotal junction area by urethral duplication. Treatment at two-stages is also prone to fail in the midterm. At end, most of them will have either a Mitrofanoff or perineal urethral stoma as shown in our data. CONCLUSION: The ASTRA approach proved to be useful for cases of rectal implantation of the urethra. No complications related to anterior sphincter incision were documented. We believe it should be regarded as the treatment of choice for cases alike ours.


Subject(s)
Rectum/abnormalities , Rectum/surgery , Urethra/abnormalities , Urethra/surgery , Child, Preschool , Humans , Infant , Male , Retrospective Studies , Urologic Surgical Procedures/methods
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