Primary Autoimmune Warm Antibody Hemolytic Anemias

A 40-year-old woman is referred to you for a diagnostic evaluation of anemia. Until recently, she was asymptomatic and in good health. She has two healthy children aged 8 and 10 years. For a few weeks, she has been feeling weak for unknown reasons. In a laboratory examination of her blood, she had anemia with a hemoglobin of 9.0 g/dl with a normal leukocyte and platelet count.