Prostate Cancer Rates Rising in Indian Men

  •   Tue, Feb 26 2019
  •   By Dr Suresh Rao

February 26, 2019

Prostate cancer is cancer that occurs in the prostate — a small walnut-shaped gland in men that produces the seminal fluid that nourishes and transports sperm. Globally, prostate cancer is today the second most common and the sixth leading cause of death due to cancer among men. With an estimated number of 1.1 million (11 lac) and 307,000 deaths in 2012 with almost 70% of them (759,000) occurring in the more developed regions.

The incidence of prostate cancer is more common in men above the age of 60. The established risk factors for prostate cancer include advanced age, family medical history, genetic changes, smoking and drinking, low intake of fresh fruit and vegetables, geographical area, race/ethnicity, occupation, excessive use of micronutrient, over exposure to estrogen, obesity, inflammation of the prostate, vasectomy and sexual activity/sexually transmitted diseases.

Epidemiologic studies have shown that there are geographical and racial distribution differences in prostate cancer and that its incidence is more in Western countries. The incidence of prostate cancer is very high in Oceania (Australia and New Zealand), followed by Northern America, Europe, Caribbean countries and less in Asians. This large disparity in the incidence of prostate cancer may be due to a combination of genetic, environmental factors, diet, lifestyle, widespread clinical examinations, and most importantly, access to preventive and diagnostic services such as PSA testing in developed countries.

India has traditionally had less incidence of prostate cancer. In India, it is the second most common cancer among males as per the Indian Council of Medical Research (ICMR) and various state cancer registries. The incidence rate in India is 9-10/100,000 population which is higher than other parts of Asia and Africa but lower than USA and Europe. The age-adjusted incidence of prostate cancer in Mumbai was approximately 18 times less than that observed in African Americans. However recent reports indicate that their numbers are increasing across the regions and it is now theorized that it is not far behind the rate observed in Western countries.

Symptoms

Usually prostate cancer grows slowly and is initially confined to the prostate gland, where it may not cause serious harm. However, while some types of prostate cancer grow slowly and may need minimal or even no treatment, other types are aggressive and can spread quickly. Prostate cancer that is detected early — when it's still confined to the prostate gland— has a better chance of successful treatment. Prostate cancer may cause no signs or symptoms in its early stages. In more advanced stage may cause signs and symptoms such as:

1. Trouble in urinating
2. Decreased force in the stream of urine
3. Blood in semen
4. Discomfort in the pelvic area
5. Bone pain
6. Erectile dysfunction

Treatment of prostate cancer

The treatment options and recommendations depend on several factors, including age, the stage of cancer, possible side effects, patient’s preferences and overall health. The commonly used modalities include the use of surgery, chemotherapy, and radiation therapy either alone or in combination. In addition to this androgen deprivation therapy is also used.

Screening for prostate cancer

Prostate cancer is one of the very few to have a prognostic marker assay that can be used as warning signs in most instances. The test is known as prostate-specific antigen (PSA) test and is done with the individual’s blood. The blood sample is drawn from the vein and analyzed for PSA. Most men without prostate cancer have PSA levels under 4 ng/mL of blood. The chance of having prostate cancer goes up as the PSA level goes up and reports suggest that men with a PSA level between 4 and 10 have about a 1 in 4 chance of having prostate cancer. If the PSA is more than 10, the chance of having prostate cancer is over 50%.

The other important test to detect prostate cancer is the digital rectal exam (DRE), where the doctor inserts a gloved, lubricated finger into the rectum to examine the prostate that is adjacent to the rectum. If the doctor finds any abnormalities in the texture, shape or size of the gland, he may suggest tests. PSA testing combined with DRE is helpful in identifying prostate cancers at the earliest stage in most instances. However, prostate cancers have been seen in people with PSA less than 4 ng/mL. When in doubt the doctor may suggest transrectal ultrasound or MRI fusion to further evaluate the prostate and confirm the condition with biopsy from the prostate.

Prostate cancer is a common cancer among men in Mangaluru and that its incidence is increasing. At Mangalore Institute of Oncology (MIO), we have adopted a new protocol of Stereotactic Body Radio Therapy (SBRT), where hypo-fractionated dose of radiation is used to achieve optimal effects in a shorter time period. MIO is one of the first center to have devised this India specific treatment protocol for control and cure of prostate cancer and this novel dose protocol achieves optimal tumor kill without causing side effects. For the patient and the caregiver it reduces the burden of hospitalization and travel. The best way to prevent it is by reducing the risk by choosing a healthy diet full of fruits and vegetables, lifestyle modification with regular exercise, a regular check up and to consult doctors when there is a family history of prostate cancer and/or expression of symptoms, as prevention is always better than cure.
By Dr Suresh Rao
Dr Suresh Rao is the chief of Radiation Oncology department at Mangalore Institute of Oncology (MIO) and is an expert in external-beam radiation therapy and brachytherapy.
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Comment on this article

  • Prabhu, Canada

    Tue, Mar 05 2019

    Dear Doctor: Perhaps you may like to inform your readers that it is also very good idea to have vegetables steam cooked or boiled rather than cook them with spices and kill all its nutrients. Cutting down sugary laddoos , jilebis etc is very important ! 😊
    Congratulations for your information on prostate CA!

  • dk shetty, mangalore/Oman

    Fri, Mar 01 2019

    Good information Dr.Suresh
    Thank you so much

  • A. Saldanha, Dubai

    Thu, Feb 28 2019

    Very good info Doctor ☝️Pls continue sharing your knowledge and vast experience on this portal. God bless you!


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