Overview
The bladder is a triangle-shaped, hollow organ located in the lower abdomen. It is responsible for holding urine until it is secreted out of the body.
Bladder cancer occurs in the tissues of the bladder. There are three main types of bladder cancer:
Types of Bladder Cancer
1. Transitional Cell Carcinoma
This is the most common type of bladder cancer. It begins in the inner layer of the bladder. Transitional cells can change shape without being damaged when the tissue stretches.
2. Squamous Cell Carcinoma
This rare type of cancer begins within thin, flat squamous cells that form in the bladder after a long-term infection.
3. Adenocarcinoma
This cancer begins when glandular cells form in the bladder after chronic inflammation and irritation. These cells are responsible for secreting mucus in the body.
Causes of Bladder Cancer
- Smoking: Increases risk by allowing harmful chemicals to accumulate in the urine, damaging the bladder lining.
- Chemical exposure: Contact with substances used in manufacturing dyes, rubber, paint, textiles, and leather increases risk.
- Supplements: Dietary supplements containing aristolochic acid may raise the risk.
- Dehydration: Infrequent urination allows chemicals to stay in contact with the bladder lining longer.
- Chronic bladder inflammation: Long-term infections or catheter use can increase risk.
- Age & Gender: Older adults, particularly men, are more likely to develop bladder cancer.
Symptoms of Bladder Cancer
- Painful urination
- Frequent urination
- Abdominal pain or discomfort
- Blood in urine
- Pain in the lower back
- Urinary incontinence
Prevention of Bladder Cancer
- Avoid smoking
- Drink plenty of water
- Avoid carcinogenic chemicals
- Eat a diet rich in fruits and vegetables
Diagnosis of Bladder Cancer
Tests and procedures used for diagnosis include:
- Cystoscopy: A small tube with a lens (cystoscope) is inserted through the urethra to examine the bladder.
- Biopsy: A tissue sample is collected during cystoscopy for testing.
- Imaging Tests: CT scans and other imaging methods help examine urinary structures.
- Urine Cytology: Urine samples are examined for cancer cells under a microscope.
Further evaluations may include:
- Chest X-Ray
- Magnetic Resonance Imaging (MRI)
- Positron Emission Tomography (PET)
- CT Scan
- Bone Scan
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Treatment of Bladder Cancer
Treatment depends on several factors such as type, grade, and stage of cancer, as well as overall health.
- Surgery: Removal of cancerous cells, one of the most common treatment approaches.
- Chemotherapy: Used for cancers confined to the bladder lining.
- Radiation Therapy: Uses high-energy beams like X-rays and protons to destroy cancer cells, often when surgery isn’t an option.
- Immunotherapy: Stimulates the immune system to target and destroy cancer cells.
- Targeted Therapy: Focuses on specific weaknesses in cancer cells, often used in advanced stages.
After treatment, regular cystoscopic exams are recommended every 3–6 months initially, and once a year thereafter to monitor recurrence.
Takeaway
Bladder cancer can often be treated successfully, especially when detected early. Awareness of causes, symptoms, and lifestyle changes plays a crucial role in prevention and recovery.
Regular checkups and early medical consultation can significantly improve treatment outcomes and quality of life.