It has the advantages of being painless, having a clear field of vision, eliminating blind spots, and having no restrictions on body position. More subtle reflection of the surface changes of capillaries and mucous membranes has increased the detection rate of microtumors and carcinoma in situ, and significantly enhanced the early detection rate of bladder cancer. It has become a reliable and painless examination method for patients with hematuria and those suspected of bladder cancer.
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