A spermatocele usually causes no signs or symptoms and might remain stable in size. If it becomes large enough, however, you might feel:  Pain or discomfort in the affected testicle Heaviness in the testicle with the spermatocele Fullness behind and above the testicle 
spermatocele causes signs symptoms remain stable size  large enough  however  feel:  pain discomfort affected testicle heaviness testicle spermatocele fullness testicle 
spermatocele