Modified tubularized incised plate urethroplasty reduces the risk of fistula and meatal stenosis for proximal hypospadias: a report of 63 cases

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To report the feasibility of modified tubularized incised plate (TIP) urethroplasty technique for proximal hypospadias in 63 cases.


From January 2004 to March 2010, 63 patients underwent one-stage TIP urethroplasty (modified Snodgrass technique repair) using 2–3 of three covering layers (corpus spongiosum, dartos, and tunica vaginalis). The primary meatus was proximal penile, penoscrotal, scrotal, and perineal in 38, 13, 10, and 2 patients, respectively. All patients had chordee that was corrected with dorsal plication. Glanuloplasty was performed in all cases. Complications and cosmetic results were documented after 6–72 months of follow-up.


A total of 63 boys with proximal hypospadias underwent Snodgrass hypospadias repair at a mean age of 8.5 months (range 6–54). Mean operative time was 210 ± 35 min. Patients were followed up with 6-month intervals for up to 6 years postoperatively. After 6 years of follow-up, nine urethrocutaneous fistulae, four bleeding, four meatal stenoses, and one urethral stricture were reported. Cosmetic result was satisfactory according to parent’s opinion and another surgeon. No residual chordee was observed in any cases (without artificial correction).


In conclusion, this preliminary report can be estimated as an alternative technique with acceptable complication and cosmetic results for proximal hypospadias correction.

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Modified tubularized incised plate


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Correspondence to Abdol-Mohammad Kajbafzadeh.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Arshadi, H., Sabetkish, S. & Kajbafzadeh, A. Modified tubularized incised plate urethroplasty reduces the risk of fistula and meatal stenosis for proximal hypospadias: a report of 63 cases. Int Urol Nephrol 49, 2099–2104 (2017).

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  • Tubularized incised plate urethroplasty
  • Proximal hypospadias
  • Fistula
  • Meatal stenosis
  • Complication
  • Cosmetic