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.
Many penis lumps are harmless and don't need treatment. Fordyce spots are small yellowish or white spots on the head or shaft of the penis. Fordyce spots.
Peyronie's disease happens when scar tissue, or plaque, forms on the shaft of the penis and causes a noticeable hard lump or band of tissue.