extremely enlarged testis

  :  my friend has an extremely large testis. One is average sized but the other is the size of a mango/a male's fist/soft ball/medium potato...gettin the picture...it's hard and it has no room to move in the sac...it's a BIG-HARD mass...Too emabarrassed to ask him about it...what could it be?...oh, he's 22 and i guess he doesn't suffer from any pain.
  

[HFHS M.D.-KR]

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Dear Mariah,

The signs and symptoms of  testicular cancer can be very mild. Most commonly patients have a lump or bump on the scrotum or testicle. It most often is painless. A physical exam can usually differentiate a testicular mass from other scrotal processes such as hydroceles, hernias or varicoceles.A scrotal ultrasound is often performed to confirm the diagnosis made by physical examination. Ultrasound can distinguish solid masses from fluid collections.Your friend should see a physician about these concerns. Testicular cancer is a very serious condition that can be cured if detected in its early stages. This information is provided for general medical education 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).
HFHS M.D.- KR
*keyword: testicular cancer