Non-Muscle Invasive Bladder Cancer: An Overview Of Diagnosis And Treatment Options
Non-muscle invasive bladder cancer (NMIBC) refers to bladder cancer that has not yet spread into the muscular layer of the bladder. It remains within the mucosa (inner lining) or submucosa (layer directly beneath the mucosa). Approximately 75-85% of newly diagnosed bladder cancers fall into this category. NMIBC includes stages Ta, T1, and carcinoma in situ (CIS) tumors. Stages Of NMIBC Ta stage involves noninvasive papillary tumors that grow into the inner lining of the bladder but have not grown into the connective tissue layer. T1 stage tumors have grown into the connective tissue layer but not the muscle layer of the bladder. CIS refers to flat tumors on the bladder lining that have not grown into the other layers. CIS tumors carry a high risk of progression. Symptoms Of NMIBC Common symptoms of Non-Muscle Invasive Bladder Cancer include blood or blood clots in the urine, frequent urges to urinate, and burning sensations during urination. However, some NMIBC tumors may cause no...

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