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How can tumors and polyps cause blood in semen (hematospermia)?

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One review of over 900 patients with blood in their semen found only 3.5% actually had a tumor. Most of these tumors were in the prostate. Blood in semen, though, can be linked to cancer of the testicles, bladder, and other reproductive and urinary tract organs. Men -- especially older men -- with risk factors for cancer should be evaluated if they have blood in their semen. Untreated cancer is a life-threatening disease.

Polyps in the reproductive tract, which are benign growths that don't cause any medical problem, can also cause blood in semen.

From: Blood in Semen (Hematospermia) WebMD Medical Reference

SOURCES:

American Academy of Family Physicians: "Evaluation and Treatment of Hematospermia."

Harvard Medical School: “Prostate Knowledge: Hematospermia Demystified."

Leocadio, D.E. , 2009. International Urology and Nephrology

UCLA Department of Medicine: "Hematospermia."

American Urological Association: "Management of Spontaneous Prostrate Related Bleeding."

National Cancer Institute: "Cancer Stat Facts: Prostate Cancer."

Reviewed by Jennifer Robinson on August 12, 2019

SOURCES:

American Academy of Family Physicians: "Evaluation and Treatment of Hematospermia."

Harvard Medical School: “Prostate Knowledge: Hematospermia Demystified."

Leocadio, D.E. , 2009. International Urology and Nephrology

UCLA Department of Medicine: "Hematospermia."

American Urological Association: "Management of Spontaneous Prostrate Related Bleeding."

National Cancer Institute: "Cancer Stat Facts: Prostate Cancer."

Reviewed by Jennifer Robinson on August 12, 2019

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How can blood vessel problems cause blood in semen (hematospermia)?

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