Publications by authors named "M Maek"

3 Publications

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Perineale Urethrektomie beim Mann.

Aktuelle Urol 2018 Dec 6;49(6):530-541. Epub 2018 Dec 6.

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December 2018

Experience with One-Stage Repair of Urethral Strictures Using the Augmented Anastomotic Repair Technique.

Urol Int 2018 2;100(4):386-396. Epub 2018 May 2.

Section of Reconstructive Urologic Surgery, Kliniken Essen-Mitte, Essen, Germany.

Introduction: We report the results of augmented anastomotic repair (AAR) in the treatment of anterior urethral strictures.

Material And Methods: In this retrospective study, we evaluated 71 consecutive patients who had undergone AAR between June 2004 and June 2013. Medical records were reviewed to identify early postoperative complications based on the Clavien-Dindo classification (CDC). Self-developed standardized questionnaires sent to the patients and referring urologists were used to collect data on late complications (>90) days. Stricture recurrence (SR) was defined as any postoperative endoscopic or open surgical intervention on the urethra. The influence of patient demographics, stricture characteristics, and operative procedure performed on the occurrence of SR was analyzed.

Results: Early postoperative complications were rare events (11.3%) with only one severe CDC complication. Late complications were reported in 46.5% cases. At a median follow-up of 17 months (range 3-114 months), however, 64 patients had no evidence of SR and required no further intervention, giving an overall success rate of 90.1%. Seven patients with SR had a higher body mass index, were older, and had been operated on by less experienced surgeon(s). Most SRs occurred within the first year after surgery.

Conclusions: AAR was an effective and safe operative technique that allowed one-stage repair in our patients with anterior urethral strictures who needed resection of the scarred urethra and otherwise were not suitable for primary anastomosis or simple substitution urethroplasty.
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January 2019

[Penis-preserving surgery in patients with primary penile urethral cancer].

Urologe A 2014 Dec;53(12):1800-4

Kliniken Essen-Mitte, Henricistraße 92, 45136, Essen, Deutschland,

Background: Primary urethral cancer in males is a rare entity with only approximately 800 cases described, which is why it is difficult to formulate evidence-based guidelines for treatment. For tumors in the pT2 stage with a localization distal to the membranous urethra, a penis-preserving operation can be carried out.

Methods: In the period from November 2006 to February 2014 a total of 4 patients with primary urethral cancer underwent a penis-preserving urethral resection. The tumor characteristics and treatment results were collated retrospectively.

Results: Of the four patients one had a transitional cell carcinoma of the mid-penile urethra in stage pT2 G2. In two out of the four patients a squamous cell carcinoma (PEC) was present in the mid-penile urethra in stages pT2 G2 and pT2 G3, respectively, with concomitant carcinoma in situ (CIS). The fourth patient had a PEC of the fossa terminalis in stage pT2 G2. Initially all patients underwent a penis-preserving resection. In one case, despite an initial R0 resection a local recurrence occurred and a complete penectomy was performed. Irradiation and lymphadenectomy were not carried out. At a mean follow-up of 37 months all patients are currently in complete remission.

Conclusion: Primary penile urethral cancer can be treated by a penis-preserving operation. Close follow-up is essential because recurrence can arise despite an initial R0 resection.
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December 2014