Recurrent deep venous thrombosis in a patient with agenesis of inferior vena cava

William Nseir1, Mahmud Mahamid1, Zuhair Abu-Rahmeh2, Arieh Markel3,41Department of Internal Medicine, 2Radiology Department, Holy Family Hospital, Nazareth, Israel; 3Department of Internal Medicine A, Haemek Medical Center, Afula, Israel; 4Technion, Faculty of Medicine, Haifa, IsraelBackground: Agenesis of the inferior vena cava (IVC) as a cause of recurrent deep vein thrombosis (DVT) is uncommon.Case: A 33-year-old male with no family history of thrombophilia, who had experienced multiple recurrent episodes of DVT over a 15-year period of unknown cause, was admitted into our hospital because of cellulitis in the right leg. Computer tomography with contrast of the abdomen showed an absence of IVC.Conclusion: Congenital absence of the IVC could be a rare risk factor for idiopathic DVT, especially in young individuals.Keywords: deep vein thrombosis, agenesis, inferior vena cav