PSA Test (Prostate Specific Antigen) Index by MedicineNet.com

Prostate Specific Antigen Index

Featured: PSA Test (Prostate Specific Antigen) Main Article

Prostate specific antigen (PSA) is a protein that is found in the semen. PSA levels are used to detect prostate cancer and monitor the progression of the disease. A condition called benign prostatic hypertrophy (BPH) can also cause elevated PSA levels.

Pictures, Images, Illustrations & Quizzes

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Picture of Prostate Side View of the Prostate. The prostate is a walnut-sized gland located between the bladder and the penis. See a picture of the...learn more »

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