Letters to the Editor Primary mixed-type autoimmune

hemolytic anemia concomitant with acute splanchnic venous thrombosis of idiopathic origin in a young woman: an unexplained association TO THE EDITOR: Mixed autoimmune hemolytic anemia (AIHA) is defined by the presence of both warm and cold types of autoantibodies [1, 2]. The diagnosis is based on the detection of these autoantibodies by using a monospecific direct antiglobulin test; a positive test result shows a pattern of IgG and complement C3d along with the presence of cold agglutinins. Mixed AIHA may be of idiopathic origin or associated with an underlying disease [1]. Venous throm-boembolism is a common complication of AIHA, although it is not often identified [3, 4]. In some instances, its occur