Dealing With Penile Curvature Penile Curvature or Peyronie's Disease is an abnormal bend in the penis stem that becomes apparent during erection. A man with Peyronies Disease has hardened or calcified tissues in his penis creating a restriction and stopping the penis from growing during an erection. This brings about a curvatur... Similar Editorial : Dealing With Bad Employees by KMArticles. | Source : Preexisting Medical Condition