Dec 24, · There are many possible causes of penis lumps, most of which are harmless but some may have serious effects and require timely treatment. For this reason, it /5(6).
A painless sore or ulcer on your penis could be caused by syphilis (another STI). Peyronie's disease. Peyronie's disease is an uncommon condition that causes a thickened area or hard lump (plaque) in the shaft of the penis. This can cause the penis to become curved when it's erect. For more information, read Is it normal to have a curved penis?
Apr 24, · A lump on the penis is never pleasant, sexy, or attractive. No gentleman wants their shaft skin to resemble a horny toad. You are probably debating and hesitant to go to the doctor over such an embarrassing, private, and personal condition. A hard lump might require a diagnostic to determine the exact underlying cause.
Jun 25, · The signs and symptoms below don’t always mean a man has penile cancer. In fact, many are more likely to be caused by other conditions. Still, if you have any of them, see a doctor right away so their cause can be found and treated, if needed. The Last Revised: June 25,