[Male fertility disorders. An actual and practical review].

Because of both external and individual factors, nowadays more men seek clarification and consultation about their fertility. This article reviews the current diagnostic work-up of subfertile men and the evidence based treatment options. Also testicular biopsy and cryopreservation of sperm or testicular tissue are addressed. Finally, the issues of vasectomy reversal and aplasia of the vas deferens are discussed. The paper emphasizes practical issues and practicability in office urology.