WHAT IS PEYRONIE’S DISEASE? Peyronie’s disease consists of hard, fibrous tissue, called plaques, developing within the penile shaft. The plaques are hard, thickened and stiff areas, actually a kind of internal scarring. In this fibroid tissue also calcium compounds can accumulate, making the plaques even harder. The Peyronie’s disease is also called cavernositis, and also sometimes plastic induration. There is…