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首页> 外文期刊>Hematology/Oncology Clinics of North America >Diagnosis and Staging of Bladder Cancer
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Diagnosis and Staging of Bladder Cancer

机译:膀胱癌的诊断和分期

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摘要

Bladder cancer (BCa) is a heterogeneous disease with a variable natural history. Most patients (70%) present with superficial tumors (stages Ta, T1, or carcinoma in situ). However, 3 out of 10 patients present with muscle-invasive disease (12-4) with a high risk of death from distant meta-stases. Moreover, roughly between 50% and 70% of superficial tumors do recur, and approximately 10% to 20% of them progress to muscle-invasive disease. However, BCa has a relatively low ratio of mortality versus incidence of new cases. In consequence, there is the danger of overdiagnosis and overtreatment.
机译:膀胱癌(BCa)是一种具有多种自然病史的异质性疾病。大多数患者(70%)表现为浅表肿瘤(Ta,T1期或原位癌)。然而,十分之三的患者出现肌肉浸润性疾病(12-4),因远处转移而死亡的风险很高。此外,大约50%至70%的浅表性肿瘤确实会复发,其中约10%至20%会发展为肌肉浸润性疾病。但是,BCa的死亡率相对于新病例的发病率相对较低。结果,存在过度诊断和过度治疗的危险。

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