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More Information About Urinary Symptoms

Benign prostatic hyperplasia (BPH), benign enlargement of the prostate (BEP), adenofibromyomatous hyperplasia and incorrectly referred to benign prostatic hypertrophy, is an increase in size of the prostate.

BPH involves hyperplasia (an increase in the number of cells) rather than hypertrophy (a growth in the size of individual cells), but the two terms are often used interchangeably, even amongst urologists. It involves hyperplasia of prostatic stromal and epithelial cells, resulting in the formation of large, fairly discrete nodules in the periurethral region of the prostate. When sufficiently large, the nodules compress the urethral canal to cause partial, or sometimes virtually complete, obstruction of the urethra, which interferes with the normal flow of urine. It leads to symptoms of urinary hesitancy, frequent urination, dysuria (painful urination), increased risk of urinary tract infections, and urinary retention. Although prostate specific antigen levels may be elevated in these patients because of increased organ volume and inflammation due to urinary tract infections, BPH does not lead to cancer or increase the risk of cancer.

Adenomatous prostatic growth is believed to begin at approximately age 30 years. An estimated 50% of men have histologic evidence of BPH by age 50 years and 75% by age 80 years; in 40-50% of these men, BPH becomes clinically significant.

Wikipedia
Wikipedia's article on BPH.

eMedicine Health
A detailed article on enlarged prostate.

Prostate Cancer Decision
Provides information on prostate cancer, including prostate health, prostate exams, prostate cancer stages, and more.

MD Anderson Cancer Center
More information on prostate cancer from University of Texas MD Anderson Cancer Center.

DMOZ Directory
More links to prostate care sites.
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