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Urinary Disorders

Small right testicle

04/18/2008 11:42PM

Question:

My right testicle is quite smaller than the left one. Is this a bad thing? It`s been that way for as long as I can remeber, or at least since 2001, when I was 12 (now 19), when I realized what testicle cancer is, which is when I started checking. I would asume that I would have noticed if somthing was wrong after all this time but it still worries me. Is it a common thing to have one of your testicles quite a bit bigger than the other?

Answer:

The size of both testis is usually similar. Discrepancy in testicular size between the two sides can sometimes be a result of previous infection, injury, etc., (mostly non cancerous causes). It can also be associated with dilated blood vessels supplying the testis called varicocele and may sometimes be related to fertility issues (altered sperm counts). Tumors of the testis present more so with increase in testicular size or abnormal shape/nodularity felt in the testis. I am assuming that both your testicles have been present normally in the scrotum since birth and you have not undergone any testicular surgery in the past.

I feel, based on the limited information available, that the small testis size in your case is unlikely to be related to a tumor especially also since it has been this way for the last several years. Asymptomatic (no associated complains) difference in the testicular size often does not require any active treatment other than regular monitoring to detect any further changes. I would recommend strongly though, that you should have a baseline scrotal evaluation (clinical exam and possible scrotal ultrasound) done by a urologist to exactly determine the clinical importance of this testicular finding that you have noticed, before proceeding to monitor the situation without treatment. It would be also important to make sure that your left testicle is not actually enlarged, giving the perception of a smaller right testicle.

 

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Response by:

University of Cincinnati Krishnanath Gaitonde, MD
Clinical Assistant Professor of Urology
Division of Urology
Department of Surgery
College of Medicine
University of Cincinnati
Krishnanath  Gaitonde, MD