Novel strategy using a spiral embedded flap for meatal stenosis after post-penile cancer amputation surgery: a single-center experience.

This study aimed to investigate the curative effect of spiral embedded flap urethroplasty for the treatment of meatal stenosis after penile carcinoma surgery. From January 2015 to January 2021, we used our technique to treat strictures of the external urethral orifice in seven patients, including four cases of meatal stenosis after partial penile resection and three cases of meatal stenosis after perineal stoma. All patients had previously undergone repeat urethral dilatation.

The value of magnetic resonance imaging geometric parameters in pre-assessing the surgical approaches of pelvic fracture urethral injury.

Background: To investigate the correlation between the magnetic resonance urethrography and the surgical approach and complexity for the patients with pelvic fracture urethral injury (PFUI) by combining the geometry with magnetic resonance imaging (MRI).

Methods: Forty-three male patients with PFUI (part of the patients complicated with rectal injury) from January 2016 to December 2018 were analyzed in this retrospective research. All the patients underwent a delayed anastomotic urethroplasty and were divided into 2 groups according to the approaches (simple perineal approach or inferior pubectomy).

Substitution urethroplasty for anterior urethral stricture repair: comparison between lingual mucosa graft and pedicled skin flap.

Objectives: The aim of this study was to compare the effectiveness and outcomes of lingual mucosa graft (LMG) urethroplasty versus pedicled skin flap (PSF) urethroplasty in the repair of anterior urethral strictures.

Materials And Methods: A retrospective study in one urological center examined 293 male patients with anterior urethral strictures who received substitution urethroplasty from 2006 to 2015. Of these, 199 patients received PSF urethroplasty and 94 received LMG urethroplasty.

Etiology and Management of Male Iatrogenic Urethral Stricture: Retrospective Analysis of 172 Cases in a Single Medical Center.

Purpose: To investigate the etiology and management of male iatrogenic urethral stricture in China.

Methods: The data of 172 patients with iatrogenic urethral stricture who underwent treatment at a high volume reference center in China from January 2008 to February 2014 were analyzed retrospectively. Databases were analyzed to understand the impact of different types of iatrogenic injury on stricture location, length and treatment of urethral strictures, as well as success rates.

Anterior Urethra Reconstruction With Lateral Lingual Mucosa Harvesting Technique.

Objective: To describe a new technique for harvesting the long lingual mucosal graft (LMG) to repair the long-segment urethral strictures.

Methods: We performed a retrospective observational study of patients from whom LMGs were harvested from the lateral lining of the tongue for the long-segment anterior urethral strictures repair from 2012 to 2014 at the Shanghai Sixth People's Hospital. Patients who had 12 months minimum follow-up were included.

Factors that influence the outcome of open urethroplasty for pelvis fracture urethral defect (PFUD): an observational study from a single high-volume tertiary care center.

Purpose: To report the clinical features of pelvic fracture urethral injury (PFUI) and assess the real effect of factors that are believed to have adverse effects on delayed urethroplasty.

Methods: An observational descriptive study in a single urological center examined 376 male patients diagnosed with PFUI who underwent open urethroplasty from 2009 to 2013. Analyzed factors included patient age at the time of injury, etiology of PFUI, type of emergency treatment, concomitant injuries, length and position of stricture, type of urethroplasty and the outcome of surgery.

Recurrence and complications after transperineal bulboprostatic anastomosis for posterior urethral strictures resulting from pelvic fracture: a retrospective study from a urethral referral centre.

Objective: To describe the complications of transperineal end-to-end anastomotic urethroplasty in patients with posterior urethral strictures resulting from pelvic fracture.

Materials And Methods: A total of 573 patients, who underwent bulboprostatic anastomosis for posterior urethral strictures, were enrolled in this study. Distraction defects were measured using retrograde urethrography combined with voiding cysto-urethrography.

Transperineal bulbo-prostatic anastomosis for posterior urethral stricture associated with false passage: a single-centre experience.

Objective: • To evaluate the management of traumatic posterior urethral stricture associated with false passage, as this remains a challenge for urologists.

Patients And Methods: • From January 2000 to February 2010, 19 patients (mean (range) age 34 [25-52] years) with traumatic posterior urethral obliteration associated with false passage were evaluated and treated at our centre. • All patients underwent perineal excision and primary anastomotic urethroplasty using cystoscopy by the suprapubic route to insert a guidewire into the original bladder neck, allowing exposure of the normal posterior urethra.

Transperineal bulboprostatic anastomosis in patients with simple traumatic posterior urethral strictures: a retrospective study from a referral urethral center.

Objectives: To evaluate the results of ancillary procedures for posterior urethroplasty and compare them with the severity of urethral stricture.

Methods: A total of 301 patients (average age: 36 years) with posterior urethral strictures due to pelvic fracture urethral distraction defects were included in the study. Delayed transperineal bulboprostatic anastomosis was performed 6-24 months (mean 10 months) after pelvic fracture urethral distraction defects.

Surgical treatment of 31 complex traumatic posterior urethral strictures associated with urethrorectal fistulas.

Background: Urethrorectal fistulas (URF) in patients with complex posterior urethral strictures are rare and difficult to repair surgically. There is no widely accepted standard approach described in the published literature.

Objective: The aim of this study was to describe the outcomes of various operative approaches for the repair of URFs in patients with complex posterior urethral strictures.

Use of anastomotic urethroplasty with partial pubectomy for posterior urethral obliteration injuries: 10 years experience.

Purpose: Management of pelvic trauma-induced posterior urethral disruption due can be quite controversial and challenging.

Methods: Posterior urethral obliteration cases at the membranous urethra (n = 154) were analyzed from January 1997 to December 2006. The mean length of the urethral obliteration was 4.

Transpubic access using pedicle tubularized labial urethroplasty for the treatment of female urethral strictures associated with urethrovaginal fistulas secondary to pelvic fracture.

Background: Female urethral injury is rare, and there is no accepted standard approach for the repair of urethral strictures.

Objective: To evaluate the efficacy of transpubic access using pedicle tubularized labial urethroplasty for urethral reconstruction in female patients with urethral obliterative strictures and urethrovaginal fistulas.

Design, Setting, And Participants: Between January 1996 and December 2006, eight cases of female urethral strictures associated with urethrovaginal fistulas were treated using pedicle labial skin flaps.

[Tree analysis pattern of mass spectral urine profiles in differential diagnosis of bladder transitional cell carcinoma].

Objective: To develope a tree analysis pattern of mass spectral urine profiles to discriminate bladder transitional cell carcinoma (TCC) from non-cancer lesions using surface-enhanced laser desorption and ionization time-of-flight mass spectrometry (SELDI-TOF-MS) technology.

Methods: Urine samples from 61 bladder transitional cell carcinoma (TCCs) patients, 53 healthy volunteers and 42 patients with other urogenital diseases were analyzed using IMAC-Cu-3 ProteinChip. Proteomic spectra were generated by SELDI-TOF- MS.

Substitution urethroplasty of complex and long-segment urethral strictures: a rationale for procedure selection.

Objectives: We evaluated the applications and outcomes of substitution urethroplasty, using a variety of techniques, in 65 patients with complex, long-segment urethral strictures.

Methods: From January 1995 to December 2005, 65 patients with complex urethral strictures >8cm in length underwent substitution urethroplasty. Of the 65 patients, 43 underwent one-stage urethral reconstruction using mucosal grafts (28 colonic mucosal graft, 12 buccal mucosal graft, and 3 bladder mucosal graft), 17 patients underwent one-stage urethroplasty using pedicle flaps, and 5 patients underwent staged Johanson's urethroplasty.

[Clinical analysis of operative treatment of 191 patients with posterior urethral strictures].

Objective: To evaluate the various operative details of strictures of the posterior urethra that are essential for a successful result.

Methods: The clinical data of 191 patients with posterior urethral strictures or distraction defects from January 1990 to January 2006 were analyzed retrospectively. All patients underwent a retrograde and voiding urethrogram, 62 patients had urethral ultrasonography, 48 patients had urethroscopy, 3 patients had MRI.

Staged pendulous-prostatic anastomotic urethroplasty followed by reconstruction of the anterior urethra: an effective treatment for long-segment bulbar and membranous urethral stricture.

Objectives: To describe a novel surgical technique for male long-segment urethral stricture after pelvic trauma using the intact and pedicled pendulous urethra to replace the bulbar and membranous urethra, followed by reconstruction of the anterior urethra.

Methods: Two patients with long-segment post-traumatic bulbar and membranous urethral strictures with short left pendulous urethras who had undergone several failed previous surgeries were treated with staged pendulous-prostatic anastomotic urethroplasty followed by reconstruction of the anterior urethra. This procedure was divided into three stages.

[The treatment of complex urethral stricture greater than 8 cm long].

Objective: To evaluate the selection of different procedures and the feasibility for the treatment of long segment urethral stricture.

Methods: Seventy-six patients with complex urethral stricture greater than 8 cm long underwent different procedures of urethroplasty. Of them various mucosa grafts urethral reconstruction were adopted in 42 cases (colonic mucosal graft, n = 26; buccal mucosal graft, n = 10; bladder mucosal graft, n = 6); One-stage pedicle flaps urethroplasty in 20; two-stage urethroplasty of Johanson procedure in 12; and penile urethra-prostatic urethra anastomosis, three-stage urethroplasty in 2.

An evaluation of surgical approaches for posterior urethral distraction defects in boys.

Purpose: We present our preliminary experience with operative approaches in the treatment of complex posterior urethral distraction defects in children.

Materials And Methods: A total of 24 boys 7 to 14 years old with obliterative complex posterior urethral distraction defects were treated with 1 of 3 surgical approaches between January 1998 and December 2002. A perineal approach was used in 5 cases, a transperineal-inferior pubic approach including distal urethral mobilization, corporeal body separation and inferior pubectomy in 10, and a combined transpubic-perineal approach in 9.

[Ultrasonographic assessment of urethral condyloma acuminatum in men].

Objective: To evaluate the value of ultrasonography in diagnosing urethral condyloma acuminatum (CA) in men.

Methods: Twenty-two male patients, aged 36 +/- 19, diagnosed as with urethral CA based on history and clinical symptoms underwent ultrasonography and urethroscopy. The patients were asked to micturate to distend the urethra.

[Screening urine markers of renal cell carcinoma using SELDI-TOF-MS].

Objective: To screen relatively specifical markers in urines from renal cell carcinoma patients using surface-enhanced laser desorption and ionization time of flight mass spectrometry (SELDI-TOF-MS) ProteinChip technology.

Methods: Urine samples from 40 renal cell carcinoma (RCC) patients, 40 healthy volunteers and 40 patients with other urogenital diseases were analyzed using IMAC-Cu-3 PoteinChip, which can specifically bind the metal-combining-proteins. Proteomic spectra were generated by mass spectrometry.

Efferent tube suspension as a continent diversion mechanism: a preliminary report of a clinical study.

Purpose: We constructed a reliable continent tube that is surgically simple.

Materials And Methods: In 12 patients with malignant bladder tumor we performed radical cystectomy with isolation of a 50 cm. ileal loop with pedicle.