Prostate Cancer essays

Prostate Cancer essays The prostate is a gland that is located just underneath the bladder. It surrounds the urethra through which a man urinates. The prostate gland is therefore vital to proper bladder control and urine flow-rate. The prostate is also essential for normal sexual function. It is the gland of ejaculation, supplying 95% of the seminal fluid and the power to push it through the urethra and out of the penis. The normal prostate in an adult man is about the size of a walnut. Its size often increases over time, however, particularly once a man gets beyond age 40. Because the urethra runs right through the middle of it, a growth spurt of the prostate will squeeze the urethra and begin to choke off the urinary flow. This can effect the ability to urinate and perform sexually. Prostate cancer occurs when some of the cells that make up the prostate gland escape from the normal controls on their growth and start to divide, grow and spread in an uncontolled manner. At first the growth of the cancer occurs very slowly and is usually limited within the prostate gland. Later on in the course of the illness, the prostate gland cells can spread around the body, particulary to the bones where they can paues pain and disability. Estimates show that the cancer may have been growing in some men for up to 10 yearsbefore it causes symptoms and is diagnosed. Some men develop symptoms whereas others do not. In those who that do, the following symptoms are commonly found: Need to urinate frequently, especially at night Sudden, incontrolable urges to urinate A burning sensation or pain when urinating Continuing pain in lower back, pelvis, or upper thighs There appears to be several forms of prostate cancer. Some men ...