[Von Willebrand disease: diagnostic and treatment dilemmas].

Von Willebrand disease (VWD) is the most common hereditary bleeding disorder, characterized by skin and mucosaL bleeding in most of the cases. In the Western world, the approximate number of bleeding VWD patients is 6.9 to 17 million. The disease is represented by several types with specific treatment for each type. Diagnosis can be troublesome and, therefore, n order to prevent bleeding complications, a professional clinical/laboratory team is required.