This article presents current notions and conceptions of the aetiopathogenesis of primary varicosis and chronic venous insufficiency, as well as an updated version of the nomenclature and terminology of venous disorders, which was recently agreed on in an international consensus conference. Furthermore, both CEAP-classification and venous severity score system are discussed.
Keywords: CEAP; Chronic venous insufficiency; Etiology; Nomenclature; Pathophysiology; VSS-System; Venous disease.