Definition:
Prostate cancer is cancer that starts in the prostate gland. The prostate is a small, walnut-sized structure that makes up part of a man's reproductive system. It wraps around the urethra, the tube that carries urine out of the body.
Alternative Names:
Cancer - prostate
Causes, incidence, and risk factors:
The cause of prostate cancer is unknown. Some studies have shown a relationship between high dietary fat intake and increased testosterone levels. There is no known association with an enlarged prostate or benign prostatic hyperplasia (BPH). Prostate cancer is the third most common cause of death from cancer in men of all ages and is the most common cause of death from cancer in men over age 75. Prostate cancer is rarely found in men younger than 40. People who are at higher risk include: The lowest number of cases occurs in Japanese men and those who do not eat meat (vegetarians).
References:
Andriole GL, Crawford ED, Grubb RI 3rd, Buys SS, Chia D, Church TR, et al. Mortality results from a randomized prostate-cancer screening trial. N Engl J Med. 2009;360:1310-1319. Babaian RJ, Donnelly B, Bahn D, Baust JG, Dineen M, Ellis D, et al. Best practice statement on cryosurgery for the treatment of localized prostate cancer. J Urol. 2008;180:1993-2004. NCCN Clinical Practice Guidelines in Oncology: Prostate cancer. V.2.2009. Accessed June 2009. Schröder FH, Hugosson J, Roobol MJ, Tammela TL, Ciatto S, Nelen V, et al. Screening and prostate-cancer mortality in a randomized European study. N Engl J Med. 2009;360:1320-1328. Walsh PC, DeWeese TL, et al. Clinical practice: localized prostate cancer. N Engl J Med. 2007;357(26):2696-2705. Wilt TJ, MacDonald R, et al. Systematic review: comparative effectiveness and harms of treatments for clinically localized prostate cancer. Ann Intern Med. 2008;148(6):435-448.
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