Nickan Research Institute Journal of Renal Endocrinology 2423-6438 4 1 2018 01 01 High-flow priapism; a combined interventional approach and watchful waiting for seudoaneurysm and cavernosal arterial-lacunar fistula e15 e15 EN Davood Arab Hamed Azadbar Elaha Shahab Arash Ardestani Zadeh Journal Article 2018 01 23 2018 05 06 Priapism is an uncommon disease and defined as full or partial erection that persists beyond 4 hours and is not related to sexual stimulation. We are presenting a 33-year-old man with high-flow priapism after penile trauma when falling accidentally on an iron pipe. The patient had both arterio-lacunar fistula (ALF) and pseudoaneurysm in ultrasonography and pudendal angiography that successfully treated by super-selective embolization for pseudoaneurysm and watchful waiting for arterio-lacunar.