 [ Symptoms ] i had rhematic fever as a child was just wondering if i need to know what effects that may have taken on my heart  how can rhematic fever effect your heart when you get older [ Disease ] stop doing home surgery on your penis lumps before you get a secondary infection since i can not examine you first hand there is really no way for me to confirm or dispute the sebaceous cyst diagnosis so i would suggest that you see your primary care medical provider or a urologist for an expert opinion cysts tend to be filled with a cheesy material unless of course they are calcified which may be the case for you