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A 20-year-old male asked:

i'm 20yo guy.passed a tiny black speck in urine at the beginning of urine stream.what might have caused it?scared of bladder, urethral and such cancers

2 doctor answers4 doctors weighed in
Dr. Sewa Legha
Medical Oncology 50 years experience
Unlikelky concerns: Cancer of the bladder/urethra is not a consideration at this young age. Most such cancers develop in middle to older age groups. Just quit worrying about such issues and do not look for any specks etc in the urine. Only if there is blood in the urine you have to get concerned about cancer like problems. So get your mind of this matter.
Dr. David Kornguth
Radiation Oncology 20 years experience
Not cancer: Black material during urination is not seen with cancers in the area. See your primary physician for a urine analysis to assess your kidney function and determine if you have some other explanation for the speck.

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Last updated Nov 9, 2020
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