title: Isolated factor V deficiency in a patient with elevated PT and aPTT during routine pre-operative laboratory screening.
abstract: Isolated factor V (FV) deficiency is a rare disorder with approximately 150 cases reported in the literature since 1943. Bleeding symptoms from FV deficiency vary widely. FV deficiency usually manifests early in the life. We present a 59-year-old case with FV deficiency discovered during pre-operative laboratory screen.
authors.affiliation: 1 Division of Hematology & Oncology, Department of Medicine, Westchester Medical Center, Valhalla, NY 10595, USA ; 2 Department of Hematology, Xiamen Zhongshan Hospital, Xiamen University, Xiamen 361004, China ; 3 Henan Tumor Hospital, Zhengzhou University, Zhengzhou 450008, China.
authors.forename: Keyur
authors.initials: K
authors.lastname: Thakar
authors.affiliation: 1 Division of Hematology & Oncology, Department of Medicine, Westchester Medical Center, Valhalla, NY 10595, USA ; 2 Department of Hematology, Xiamen Zhongshan Hospital, Xiamen University, Xiamen 361004, China ; 3 Henan Tumor Hospital, Zhengzhou University, Zhengzhou 450008, China.
authors.forename: Kaushal
authors.initials: K
authors.lastname: Parikh
authors.affiliation: 1 Division of Hematology & Oncology, Department of Medicine, Westchester Medical Center, Valhalla, NY 10595, USA ; 2 Department of Hematology, Xiamen Zhongshan Hospital, Xiamen University, Xiamen 361004, China ; 3 Henan Tumor Hospital, Zhengzhou University, Zhengzhou 450008, China.
authors.forename: Yamei
authors.initials: Y
authors.lastname: Chen
authors.affiliation: 1 Division of Hematology & Oncology, Department of Medicine, Westchester Medical Center, Valhalla, NY 10595, USA ; 2 Department of Hematology, Xiamen Zhongshan Hospital, Xiamen University, Xiamen 361004, China ; 3 Henan Tumor Hospital, Zhengzhou University, Zhengzhou 450008, China.
authors.forename: Delong
authors.initials: D
authors.lastname: Liu
keywords: Factor V deficiency (FV deficiency); coagulopathy; hemostasis