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학습 자료 둘러보기 →The hallmark of bladder cancer is painless hematuria. This can be gross (visible) or microscopic and occurs without dysuria or flank pain.
This symptom arises because urothelial carcinomas are highly vascular and friable. Spontaneous bleeding from fragile tumor vessels does not typically activate bladder wall pain receptors.
Any adult presenting with painless hematuria requires a prompt urological workup, including cystoscopy and imaging, to rule out malignancy. Do not attribute it to infection without a negative culture.
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