Dear Dr. Motola,
If you have had prostate surgery and need salvage radiation, but elect to take injections instead, how long will the lupron injections work?
Lupron is a drug that inhibits the production of gonadotropins (LH and FSH), resulting in the reduction of testosterone to castration levels. It is mainly intended for the treatment of metastatic prostate cancer however other uses in the management of this disease are also utilized widely. This decrease in testosterone helps control the prostate cancer, however when treated with Lupron this only causes prostate cancer cells to stop growing or possibly grow at a slower rate.
Prostate cancer that has spread beyond the prostate is not curable. I am not certain whether you are undergoing radiation immediately after surgery for positive margins, or if this represents salvage that is being done years after the original operation. Unfortunately, Lupron does not work forever as the cancer cells will change ...
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A testosterone test measures the amount of the male hormone, testosterone, in the blood.
How the test is performed
Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood.
Next, the health care provider gently inserts a needle into the vein. The blood collects into an airtight vial or tube attached to the needle. The elastic band is removed from your arm. Once the blood has been collected, the needle is removed, and the puncture site is covered to stop any bleeding.
In infants or young children, a sharp tool called a lancet may be used to puncture the skin and make it bleed. The blood collects into a small glass tube called a pipette, or onto a slide or test strip....
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