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A prostatic stent〔http://www.touchbriefings.com/pdf/33/gs031_p_16dijk.pdf〕 is a stent used to keep open the male urethra and allow the passing of urine in cases of prostatic obstruction and lower urinary tract symptoms (LUTS). Prostatic obstruction〔Guidelines on Benign Prostatic Hyperplasia. European Association of Urology. http://www.uroweb.org/fileadmin/user_upload/Guidelines/BPH.pdf | page 36 | 12 September 2006〕 is a common condition with a variety of etiologies. Benign prostatic hyperplasia (BPH) is the most common cause,〔(Enlarged prostate gland - treatment, symptoms and cause )〕 but obstruction may also occur acutely after treatment for BPH such as transurethral needle ablation of the prostate (TUNA), transurethral resection of the prostate (TURP), transurethral microwave thermotherapy (TUMT), prostate cancer or after radiation therapy. ==Classification== There are two types of prostatic stent: temporary and permanent. Although a permanent prostatic stent is not a medical treatment, it falls under the classification of a surgical procedure.〔(Benign Prostatic Hyperplasia (BPH)/Enlarged prostate - Medical Treatment - urologychannel )〕 Placement of a permanent prostatic stent is carried out as an outpatient treatment under local, topical or spinal anesthesia and usually takes about 15–30 minutes. A temporary prostatic stent can be inserted in a similar manner to a Foley catheter, requiring only topical anesthesia. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Prostatic stent」の詳細全文を読む スポンサード リンク
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