OBJECTIVE: To report two Zinner`s syndrome cases, a rare anatomical variant with risk of complications.METHODS: Analysis of two Zinner syndrome cases, detected during acute recurrent epididimytis and after a grade IV renal trauma. Review of the literature focusing on its diagnosis and possible complications.RESULTS: The conservative management of the polytrauma patient allowed to preserve the kidney, while maintaining normal renal function. It is the first Zinner`s syndrome diagnosed in this clinical context.CONCLUSIONS: Zinner`s syndrome is a rare entity and often goes unnoticed because of the few symptoms it produces.