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Recurrent idiopathic high-flow priapism treated with selective arterial embolization after repeated initial treatments for low-flow priapism.

High-flow priapism is most often seen following perineal and penile trauma. We report the case of a 32-year-old man who presented with recurrent idiopathic priapism initially treated as low-flow priapism on 8 previous emergency department visits. Pelvic angiography revealed an abnormal communication between the left cavernosal artery and the left corpus cavernosum and led to the diagnosis of high-flow priapism. Treatment involved embolization of the left common penile artery, which resulted in successful resolution of the recurrent priapism. Our patient's case highlights the importance of an appropriate work-up, including imaging, to distinguish high- and low-flow priapism and to provide appropriate care.