Recurrent esophagogastric variceal bleeding due to portal vein thrombosis caused by protein S deficiency
Background and study aims Esophagogastric variceal bleeding (EGVB) is common in patients with portal vein thrombosis (PVT).Hereditary deficiencies in natural anticoagulant proteins, such as protein S, might contribute to PVT.However, recurrent EGVB caused by PVT in patients with protein S deficiency is seldom reported.Herein, we present the case of