I was reading on the "lump at base" topic, which I searched by google. This helped a lot, I was very relieved when I found that topic.

I guess maybe a few months ago I noticed a sort of fleshyish type of thing near the base of my left testicle. After masturbation, it seems to turn into a pea size sort of thing, and within the next 30 minutes its a fleshy bit again. It seems like it's connected to the base of my testical, turning into the epididymis. it's just bothering me, I was wondering how these form and what they are and why they are only on one testicle. I'm 16, and I guess i wear sort of tightish pants, I hate baggy. So I was thinking that the tightness may have something to do with it, it may be a calcium thing?

A few months ago I had that maids knee, cause I was on my knees working out for too long and I guess it created a calcium buildup, and once I stopped kneeling, the lump in my knee went away. Would it be something like that?

I'm not as concerned as I was a few minutes ago, i'm just looking for a more indepth description and if this needs medical attention or not.

Thanks.