TOPICS: Peyronie disease, abnormal curvature, tunica albuginea plaque, curvature with erection, erectile dysfunction, traction, collagenase injection, surgery, priapism, persistent erection, 4 hours, ischemic priapism, sickle cell disease, sildenafil, trazodone, corporal aspiration, intracorporeal injection, phenylephrine, surgery, cancer, squamous cell carcinoma, precancerous lesions, uncircumcised, high risk HPV infections, penectomy