Post traumatic penile arteriovenous fistula with high flow priapism
Pain in the genital area following blunt perineal trauma 20 days ago, the patient reported painless priapism and difficult micturition.
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Penile Doppler examination revealed:
- the right corpora cavernosa shows a dilated vascular lake with turbulent flow and high flow velocity suggestive of arteriovenous fistula
- the right cavernosal artery shows high peak systolic velocity, PSV = 47 cm/sec
High flow priapism is a rare type of priapism, and usually occurs several days or weeks after penile or perineal trauma with formation of an arterio-cavernosal fistula.