Facts on File Encyclopedia of Health and Medicine

to further classify and understand the prostate cancer’s characteristics to optimally tailor treat- ment approaches. The two mai ...

whom prostate cancer is likely to be slow growing and remain localized, the doctor may recommend less invasive approaches such a ...

PROSTATECTOMY. The doctor can palpate (feel) the prostate gland through the wall of the rectum dur- ing DIGITAL RECTAL EXAMINATI ...

Surgical Procedure Surgeons may choose from a number of opera- tions to remove the prostate gland. The choice depends on the rea ...

Risks and Complications Prostatectomy, particularly an open or radical approach, is extensive surgery with potential com- plicat ...

prostatitis INFLAMMATION, INFECTION, or PAINof the PROSTATE GLAND. Prostatitis may be acute (come on suddenly) or chronic (persi ...

Puberty begins with hormonal changes the HYPOTHALAMUSand the PITUITARY GLANDinitiate that stimulate the gonads (ovaries in women ...

though results in INFERTILITYwhen all semen enters the bladder. Analysis of the first urine after ejacu- lation shows the presen ...

S scrotum The saclike structure, a thin layer of MUSCLEand SKIN, suspended from the base of a man’s pelvis that contains the TES ...

ing, and frequency of ejaculation are among the factors that influence the volume and content of semen. SEMEN NORMAL VALUES PER ...

dysfunction resolve when the factors responsible for them go away, such as when a person changes from a high-pressure job to one ...

and QUALITY OF LIFE. STDs infect tens of millions of people in the United States and hundreds of mil- lions of people throughout ...

germ cells in the seminiferous tubules. Specialized cells called Sertoli cells nourish and protect the new sperm cells, ushering ...

provides mobility. ANDROGENS, notably TESTOS- TERONE, and other hormones regulate spermato- genesis. Spermatogenesis is a contin ...

T testicles The paired male organs, also called the male gonads, that produce SPERMand ANDROGENS, notably TESTOSTERONE. Each egg ...

tend to be dominant in determining the tumor’s behavior. The distinction is important because the types have different patterns ...

The diagnostic path typically includes BLOOD tests to look forTUMOR MARKERS(proteins in the blood circulation that suggest the p ...

Risk Factors and Preventive Measures The most significant risk factor for testicular can- cer is undescended testicle (CRYPTORCH ...

The key symptoms of testicular torsion are PAIN, swelling, and discoloration (cyanosis) of the scro- tum. Symptoms usually appea ...

threatening circumstance that typically occurs when a tube partially reanastomoses but the fertil- ized egg cannot pass through ...