Prostate Gland: Overview
The prostate is a walnut-sized gland located below the bladder in males.
It surrounds the urethra and produces seminal fluid, which is essential for sperm nourishment and transport.
The gland enlarges with age, particularly after the age of 50, increasing the risk of cancer.
Epidemiology
In India, prostate cancer is:
The second most common cancer among men in Delhi and Karnataka.
The third most common in Mumbai.
Globally, it is the sixth leading cause of cancer-related death in men.
Risk Factors
Advancing age: The risk increases significantly after the age of 50.
Family history: There is a higher risk if a father, brother, or grandfather has prostate cancer.
Genetics: BRCA1 and BRCA2 gene mutations increase risk.
Ethnicity: African-American men are more prone globally.
Lifestyle: Obesity, smoking, sedentary habits, and high-fat diets may contribute.
Symptoms
Asymptomatic in early stages; often detected during routine health checks.
Urinary symptoms:
Difficulty in urination.
Increased frequency, especially at night.
Weak or interrupted stream.
Post-micturition dribbling.
Advanced symptoms:
Blood in urine or semen.
Bone pain, especially in the back.
Limb swelling (from lymphatic spread).
Diagnostic Tools
Clinical Examination: Digital Rectal Examination (DRE): Assesses prostate size, texture, and abnormalities.
Blood Tests: PSA (Prostate-Specific Antigen): A screening marker for prostate cancer.
Imaging Studies: Trans rectal Ultrasound (TRUS) and Multipara metric MRI.
Biopsy: Typically, 12 cores are taken under local anesthesia and help confirm the diagnosis through histopathology.
Staging Investigations: A PET scan or bone scan is used to assess the spread, especially to the bones.
Treatment Options
Active Surveillance:
For low-grade, localized tumours in older patients.
Regular PSA tests and monitoring every 6 months.
Surgical Interventions:
Robotic-assisted Radical Prostatectomy:
Minimally invasive, faster recovery, and better precision.
Laparoscopic/Open Surgery:
Alternatives where robotic surgery is unavailable.
Goal: Complete removal of the prostate and reconnection of the urinary tract.
Radiation Therapy:
External Beam Radiation Therapy (EBRT) or Brachytherapy.
Effective in localized disease or for patients unfit for surgery.
Hormonal Therapy (Androgen Deprivation Therapy - ADT):
Reduces testosterone to control tumour growth.
Includes medical (injections/tablets) and surgical methods (orchiectomy).
Drugs include Enzalutamide, Abiraterone.
Chemotherapy:
Used in advanced, metastatic, or hormone-resistant cases.
Targets rapidly dividing cancer cells.
Immunotherapy and Targeted Therapy:
Emerging options targeting specific cancer cell markers.
Improve outcomes in selected advanced-stage patients.
Preventive Measures
Healthy Lifestyle:
Regular exercise (45 minutes/day).
Maintain a healthy body weight.
Avoid tobacco and alcohol.
Balanced Diet:
Rich in vegetables, fruits, and whole grains.
Lycopene (tomatoes), broccoli, cauliflower, and green tea may offer protective benefits.
Hydration:
Adequate water intake is essential for supporting urinary health.
Supplements:
No FDA-approved supplements for prevention.
Long-term benefits have been noted with Omega-3, Vitamin D3, Zinc, and Selenium (consult your physician).
Routine Screening:
PSA testing and DRE after age 50, or earlier if there is a family history.
Helps in early detection and the initiation of curative treatment.
Conclusion
Prostate cancer is a common and potentially curable disease when diagnosed early.
Routine screening and awareness are essential, especially for men over 50.
A multidisciplinary treatment approach, ranging from active surveillance to advanced therapies, offers favorable outcomes.
Adopting a healthy lifestyle and staying informed are crucial to prevention and maintaining an improved quality of life.