Ischemic priapism is a persistent erection unrelated to sexual stimulation characterized by reduced or absent intracavernous blood flow. We present a clinical case of a 30 year old man with priapism with 48 hours of progression. He underwent surgical drainage of the corpora cavernosa, instillation of ephedrine, and creation of a cavernous-spongeous shunt without improvement. On the duplex ultrasound there was n...