Guía tu cuerpo con Aissa García:¿Qué es el cáncer urotelial?

March 31, 2026·14 min·1 clip

Dr. Emmanuel Rosas Nava explains why kidney failure from urothelial cancer can flood your body with harmful substances.

The episode begins with the host introducing the topic of urothelial cancer and its impact on kidney function, emphasizing the organ's role as a body filter. Dr. Emmanuel Rosas Nava joins as a guest, sharing his expertise in laparoscopy and robotic surgery. He explains that kidneys filter waste, and dysfunction can lead to harmful metabolite buildup. Early signs of kidney issues include reduced urine output, changes in odor, and color variations, such as pink from candies or red from blood. Urothelial cancer is defined as a tumor in the urinary tract lining, potentially located in the kidney's calyces, renal pelvis, ureter, or bladder. Key symptoms are blood in urine and back pain radiating to the abdomen or groin. The doctor clarifies that holding urine does not cause cancer but may lead to infections. Urothelial cancer is the fourth most common urinary tract tumor and ninth overall in the body, typically appearing after age 60 and more frequently in men due to historical factors like smoking and factory work. Diagnosis involves imaging studies and cystoscopy to inspect the bladder, with CT scans assessing the upper tract. Important terms include recurrence, where treated lesions reappear, and progression, where superficial tumors invade deeper layers like muscle. Metastasis occurs when cancer spreads via blood vessels in deeper layers, severely reducing survival rates. For superficial tumors, 10-year survival is 85-90%, but metastatic cases drop to 5%. Prevention focuses on general habits: adequate hydration with over 2 liters of water daily, reduced salt intake, and avoiding urine retention. The episode concludes with a reminder to prioritize kidney health through these lifestyle adjustments.

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