Bump on Right Testicle

  About six months ago, I noticed a small hard bump on the side of my right testicle, about the size and shape of a piece of rice.  It's on the testicle, because I tried to scrape it off with my fingernail and it wouldn't budge.  After looking at this page, I told my doctor and had an exam (I don't know if he even really felt it - it was so cold in that room my scrotum was really tight when I tried to point it out to him).  He told me to keep an eye on it but didn't think it was anything to worry about.  I have been examining it occassionally to see if it was still there and it is.
  Yesterday, I stood up and felt a sharp poke down there that lasted only a couple of seconds.  Then last night I had a "rock in your shoe" feeling where that bump is, like it's scratching the inside of my scrotum and a tightness in that testicle.
  I have been having some nagging lower back soreness for about three weeks and now I'm concerned that this may be a problem.  It's not the pea-sized lump I've read about and that makes me feel a little better, but I'd like to know what this could be if it's not cancer and if it could become cancerous.  It hasn't bothered me today.
  Would a doctor or Doug Bank please respond?  Thanks.
  

[HFHS M.D.-BE]

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Dear Brian,
Anytime a man finds a lump--of any size--on his testicle(s), that does not resolve spontaneously, he needs to be evaluated by a physician.  Peak incidence of testicular cancer is between the ages of 20 and 40.  The usual presentation of a testicular tumor is a painless swelling or a nodule (small hard bump).  This may be noted incidentally by the patient or by a sexual partner, as well as during testicular examination. Usually they involve the testicle itself and only in 10% - 15% of cases do they spread to the epididymus or spermatic cord.  While we are talking about testicular cancer, it is not certain that this is the diagnosis, especially with your description about trying to "scrape it off"! However, if it is indeed cancer, it is quite curable, especially when discovered and treated early on.  It is important for you to follow up with your physician, or a urologist, who will order an ultrasound study of the testicles/scrotum, if necessary.  Do not let fear nor false security keep you from making an appointment.  
This information is provided for general medical educational purposes only.  Please consult your physician for diagnostic and treatment options pertaining to your specific medical condition.  More individualized care is available at the Henry Ford Hospital and its satellites (1 800 653-6568).
Sincerely,
HFHS M.D.-BE
*keyword: testicular CA

[sentray]

is it cancer i have bump on testicule it doesnt hert just annoying

[sentray]

noticed it randomly one daY in akward place