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Transurethral needle ablation (TUNA) is an outpatient procedure to treat urinary symptoms caused by an enlarged prostate, a condition known as benign prostatic hyperplasia (BPH). This procedure is also called radiofrequency ablation or RF therapy.
During TUNA, a specially adapted visual instrument (cystoscope) is inserted through the tip of your penis into the tube that carries urine from your bladder (urethra). Using the cystoscope, your doctor guides a pair of tiny needles into the prostate tissue that is pressing on the urethra. Then radio waves are passed through the needles to create scar tissue. This scarring shrinks prostate tissue, opening up the urinary channel so that urine can flow more easily.
TUNA is one of several options for treating BPH. To determine the right treatment choice for you, your doctor will consider how severe your symptoms are, what other health problems you have, and the size and shape of your prostate.
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