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  • Title: Radiographic characteristics of the vesicourethral anastomosis after radical retropubic and perineal prostatectomy.
    Author: Stracener J, Schow DA, Renfer L, Rozanski TA, Thompson IM.
    Journal: Mil Med; 1998 Mar; 163(3):174-6. PubMed ID: 9542859.
    Abstract:
    A fundamental difference between the surgical techniques of radical retropubic and radical perineal prostatectomy is the method by which the vesicourethral anastomosis is accomplished. In the latter procedure, because the anastomosis is performed under direct vision, some authors have suggested that continence may be improved while reducing the risk of obstruction. The merit of this observation has not been established. To evaluate the characteristics of the vesicourethral anastomosis in retropubic and perineal prostatectomy, postoperative cystograms of 59 patients who underwent these procedures were reviewed in a blinded fashion. A normal, tapering bladder neck to the proximal urethra was noted in 80% of patients undergoing perineal prostatectomy compared with 2% of patients undergoing the retropubic approach. Various grades of diamond-shaped or bulbous irregularity of the vesicourethral anastomosis were seen in 98% of patients undergoing retropubic prostatectomy, and a system of grading of these abnormalities was established. These data suggest that a more physiologic-appearing bladder neck and proximal urethra is achieved with radical perineal prostatectomy. Further study is required to determine the impact of this radiologic finding on urinary function and continence.
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