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A case of prostatic calculi passage which caused voiding disorder Tsuyoshi Furuno 1,2 , Takanori Sakuta 1 , Katsuya Nonomura 2 1Department of Urology,Rumoi City General Hospital 2Department of Urology,Hokkaido University,Graduat School of Medicine Keyword: 前立腺結石 , 尿道結石 , 経尿道的手術 pp.625-627
Published Date 2004/7/20
DOI https://doi.org/10.11477/mf.1413100583
  • Abstract
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A 76 year-old man presented with voiding difficulties and urethral pain. There were calculi at external meatus and at prostate on digital rectal examination and pelvic X-ray. He underwent meatotomy and transurethral extirpation of urethral and prostate stones. Endoscopically the prostate fossa was cavitated like as post-prostatectomy while partially the cavity was lining with urotherial mucosal bridge. Prostatic calculi were situated in the fossa. Postoperative voiding cystourethrography and retrograde urethrography showed that vesical neck function was competent,which was different from that seen after prostatectomy,and there was no functional and mechanical obstruction in the urethra. The calculi were made of calcium phosphate(75%)and calcium carbonate(25%). This constitution is more common in prostatic calculus than urethral stone. Prostatic calculus per se does not cause lower urinary tract symptoms in most cases. However,we recommend the transurethral extirpation of large prostatic calculi which substantially cause lower urinary tract symptom.


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電子版ISSN 1882-1332 印刷版ISSN 0385-2393 医学書院

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