Transurethral microwave thermotherapy (TUMT) or Cooled thermotherapy

Transurethral microwave thermotherapy is used for the treatment of lower urinary tract symptoms (LUTS) due to benign prostatic hypertrophy (BPH) in men. TUMT involves the insertion of a specially designed urinary catheter into the bladder, allowing a microwave antenna to be positioned within the prostate; there, it heats and destroys hyperplastic prostate tissue.

It is used as an alternative to pharmacotherapy, transurethral resection of the prostate (TURP), transurethral needle ablation (TUNA), photoselective vaporization of the prostate (PVP), open prostatic enucleation, or other surgical therapies.

Prostate cells are not reliably destroyed until temperatures reach 45°C (113°F). The term thermotherapy was therefore coined to describe treatment temperatures above 45°C and hyperthermia for those below this level. However, the urethral-pain threshold was shown to be 45°C; therefore, higher energy and higher temperatures were achieved only with the introduction of urethral cooling during therapy.

Source: http://emedicine.medscape.com/article/1950546-overview

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