Many penis lumps are harmless and don't need treatment. This is a hard swelling that suddenly appears on the shaft of the penis after sex or masturbation .
A lump on the penis is not typically something to worry about. It could Cysts are firm or hard fluid-filled bumps that can appear on your penis.
A lump or plaque (scar tissue) forms on the lining of the erectile tissue which holds much of the blood in the penis during erection. In most cases, a hard lump .
We're not sure about what causes of Peyronie's but it's usually thought to happen after repeated bending or bumping of an erect penis. This tears the lining of.
In this article, we list 16 potential causes of a lump on the penis and suggest . a hard lump or band at the shaft of the penis, due to a buildup of.