Fibromatosis arising from the soft tissues of the penis. It is characterized by the presence of spindle-shaped fibroblasts, and an infiltrative growth pattern. It causes the penis to bend when it becomes erect. The disease is Experimental Factor Ontology id EFO_1000466 (Penile Fibromatosis). Also known as: Peyronie's disease, Peyronie's fibromatosis, penile fibromatosis, penile induration, penis fibromatosis.