[Papillary cystadenoma of epididymis]

Contribution of one case report of papillary cystadenoma, a very uncommon benign epithelial tumour. Related to von Hippel-Lindau's disease, it may be associated to infertility. It tends to occur in young adults, lesions being bilateral in one third of cases. It is diagnosed through palpation and particularly with ultrasound techniques. Management is via surgical exeresis and subsequent watchful follow-up. Two cases reported transformation of epididymis cystadenoma to cystadenocarcinoma.