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A combined tubularized/onlay graft technique for total correction of severe hypospadias.

Abstract：

BACKGROUND/PURPOSE:A combined tubularized/onlay graft technique is described for the complete correction of chordee with urethroplasty in a single stage in cases of severe hypospadias. METHODS:Twenty-two patients with severe hypospadias ranging in age from 9 months to 11 years underwent single-stage correction using a technique developed by the author. In this method, chordee is first completely excised by removing all fibrotic tissue both proximal and distal to the urethral orifice, preserving the meatal groove. A dorsolateral preputial flap is then raised and tubularized to form the neourethra. The proximal end of this tube is anastomosed to the urethral opening using a continuous absorbable suture. Two parallel incisions are made in the glans on either side of the meatal groove. The distal part of the neourethral flap is laid over the groove and sutured on either side to create the glanular part of the urethra, after which the glans is reconstructed with the new meatal opening at the tip. The neourethral suture line is covered with a layer of vascularized subcutaneous tissue to protect against fistula formation, and the rest of the preputial skin is transferred ventrally to provide cover for the penile shaft. RESULTS:There were no major complications with minimum follow-up of 20 months. Meatal stenosis developed in two patients, and one had stricture at the proximal anastomosis. These were treated successfully with minor corrective procedures. All other patients had good results, and there were no cases of fistula. CONCLUSIONS:The method described has proved successful in the surgical correction of severe hypospadias in a single stage. It is easily adapted to permit urethral reconstruction after varying degrees of tissue excision required to obtain satisfactory correction of chordee. Patients do not need to undergo multiple procedures, and no major complications were encountered in this series.

journal_name

J Pediatr Surg

journal_title

Journal of pediatric surgery

authors

Joseph VT

doi

10.1016/s0022-3468(99)90775-3

subject

Has Abstract

pub_date

1999-06-01 00:00:00

pages

992-5

issue

eissn

0022-3468

issn

1531-5037

pii

S0022-3468(99)90775-3

journal_volume

pub_type

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A combined tubularized/onlay graft technique for total correction of severe hypospadias.