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词汇 Transurethral needle ablation
分类 英语词汇 英语翻译词典
释义

Transurethral needle ablation

英语百科

Transurethral needle ablation of the prostate

(重定向自Transurethral needle ablation)

Transurethral needle ablation (Also called TUNA or transurethral radiofrequency ablation) is a technique that uses low energy radio frequency delivered through two needles to ablate excess prostate tissue. A cystoscope/catheter deploys the needles toward the obstructing prostate tissue is inserted into the urethra directly through the penis under local anesthetic before the procedure begins. The energy from the probe heats the abnormal prostate tissue without damaging the urethra. The resulting scar tissue later atrophies, reducing the size of the prostate which in turn reduces the constriction of the urethra. It can be done with a local anesthetic on an outpatient basis. It takes about an hour to perform the procedure. It takes about 30 days for the ablated prostate tissue to resorb. Patients should have an annual rectal prostate exam for their doctor to feel the prostate health with a lubricated gloved finger.

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