From Big Medical Encyclopedia

PHLEBOTHROMBOSIS (phlebothrombosis; Greek phleps, phlebos vein + thrombosis; a synonym acute venous thrombosis) — formation of blood clot in a vein. T. arises under the influence of factors of an intravascular blood coagulation (see. Coagulant system of blood), especially at long delay of a vascular blood-groove. Usually at F. for the second time the inflammation of a vein (see Phlebitis) develops therefore the side between a phlebothrombosis and thrombophlebitis is erased (see). Most of researchers consider a phlebothrombosis and thrombophlebitis as options of the beginning of a uniform .zabolevaniye and use both terms as synonyms.