Barbagli Guido, Palminteri Enzo, Lazzeri Massimo, Guazzoni Giorgio
Center for Urethral and Genitalia Reconstructive Surgery, Arezzo, Italy.
Urology. 2003 Feb;61(2):452-5. doi: 10.1016/s0090-4295(02)02288-4.
A one-stage onlay urethroplasty, using a buccal mucosa graft, is presented for patients with bulbous strictures in whom the urethral mucosa is seriously involved in the disease. Of 40 patients who underwent a dorsal buccal mucosa graft urethroplasty for bulbous urethral strictures, 5 required complete removal of the urethral mucosa and its replacement by a buccal mucosa graft. All these patients had undergone previous urethrotomy with a false passage inside the bulbous urethra and had a suprapubic tube in place. The goal of removal and replacement of the urethral mucosa in each case was to create a new, wide urethral mucosal bed to promote successful one-stage reconstruction. All patients voided spontaneously without problems after removal of the catheter. After 4 months, the mean peak flow was 21 mL/s. After 6 months, urethroscopy did not show any stricture recurrence. None of the patients required instrumentation or dilation. In patients with bulbous urethral strictures and false passage into the mucosa and spongiosum tissues, the complete removal and replacement of the urethral mucosa using a circumferential buccal mucosa graft promotes successful one-stage urethral reconstruction.
本文介绍了一种一期覆盖式尿道成形术,该手术采用颊黏膜移植,用于治疗球部狭窄且尿道黏膜严重受累的患者。在40例因球部尿道狭窄接受背侧颊黏膜移植尿道成形术的患者中,有5例需要完全切除尿道黏膜并用颊黏膜移植进行替代。所有这些患者此前均接受过球部尿道内有假道形成的尿道切开术,且均留置耻骨上造瘘管。在每例患者中,切除并替代尿道黏膜的目的是创建一个新的、宽阔的尿道黏膜床,以促进一期重建手术的成功。拔除导尿管后,所有患者均能自主排尿,无任何问题。4个月后,平均尿流峰值为21 mL/s。6个月后,尿道镜检查未显示任何狭窄复发。所有患者均无需器械操作或尿道扩张。对于球部尿道狭窄且黏膜及海绵体组织有假道形成的患者,采用环形颊黏膜移植完全切除并替代尿道黏膜可促进一期尿道重建手术的成功。