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Bladder Cancer

Mohammed Nasir Uddin

Bladder Cancer

What is Bladder Cancer?
Bladder cancer is a type of cancer that begins in the cells of the bladder, the hollow muscular organ in the lower abdomen that stores urine. Most bladder cancers start in the urothelial cells that line the inside of the bladder. These cells are also found in the kidneys and the ureters (tubes connecting the kidneys to the bladder), so cancers can also develop in those areas. Bladder cancer is usually diagnosed early, which makes it more treatable. However, it tends to recur, so patients need follow-up testing for years after treatment.

Types of Bladder Cancer

The type of bladder cancer depends on the cells in which the cancer develops:

  1. Urothelial Carcinoma (Transitional Cell Carcinoma)

    • The most common type, occurring in the urothelial cells lining the bladder.

    • Can also occur in the kidneys and ureters.

  2. Squamous Cell Carcinoma

    • Linked to chronic bladder irritation (e.g., from infection or prolonged use of urinary catheters).

    • Less common in developed countries.

  3. Adenocarcinoma

    • Originates in glandular cells of the bladder.

    • Very rare.

Symptoms of Bladder Cancer

Common symptoms include:

  • Blood in urine (hematuria)

  • Frequent urination

  • Pain or burning sensation during urination

  • Pelvic pain

  • Back pain

Causes and Risk Factors

The exact cause of bladder cancer is unclear, but several factors can increase risk:

  • Smoking: Tobacco contains carcinogens filtered by the kidneys and stored in the bladder.

  • Chemical exposure: Particularly in industries like rubber, leather, dye, and paint.

  • Chronic bladder inflammation: Repeated urinary tract infections or long-term catheter use.

  • Previous cancer treatment: Certain chemotherapy drugs or pelvic radiation.

  • Personal or family history: Genetic predisposition.

Staging of Bladder Cancer

  • Stage 0: Cancer confined to the inner lining.

  • Stage I: Spread to connective tissue beneath the lining.

  • Stage II: Spread to the bladder muscle.

  • Stage III: Spread to surrounding tissue or reproductive organs.

  • Stage IV: Spread to lymph nodes or distant organs.

Diagnosis

Tests include:

  • Urinalysis

  • Cystoscopy (scope to view inside bladder)

  • Biopsy

  • Imaging tests (CT scan, MRI, ultrasound)

Treatment

Depends on stage, type, and patient’s health:

  1. Surgery

    • Transurethral resection (TURBT) for early cancer

    • Cystectomy (partial or radical) for more advanced cases

  2. Intravesical therapy (medicine delivered directly into the bladder)

  3. Chemotherapy

  4. Radiation therapy

  5. Immunotherapy (boosting immune response against cancer cells)

Prevention

While not always preventable, you can reduce risk by:

  • Avoiding smoking

  • Limiting exposure to harmful chemicals

  • Staying hydrated

  • Eating a diet rich in fruits and vegetables

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