Abstract
We have performed transurethral microwave tissue coagulation (MTC) for urinary bladder cancer, and especially applied MTC to small tumors of outpatients without anesthesia. We have used a rigid cystoscope which is 7 mm in diameter. In this report, 93-year-old man was performed MTC with a flexible cystoscope. The flexible cystoscope, CYF-5A (OLYMPUS) was used. It is 5.5 mm in diameter and have a 2 mm working channel, and the microwave applicator is 1.8 mm in diameter. Reccurent tumors of bladder neck and posterior wall were treated. Both tumors were 2 mm, and coagulated once and twice for 5 seconds at the energy of 50 Watts. This procedure is less painful than that with a rigid cystoscope, and it can be performed immediately after cystoscopy.
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