RESUMO
BACKGROUND: Most of the autoantibodies that cause autoimmune hemolytic anemia (AIHA) are non-specific. Autoantibodies expressing alloantibody specificity are rare. METHODS: We present the case of a 4-year-old boy with no history of blood transfusion or underlying medical conditions who developed AIHA caused by autoantibody with mimicking anti-D and anti-C specificity. RESULTS: Following treatment with methylprednisolone sodium succinate and transfusion of red blood cells with negative antigens for D and C, along with administration of human immunoglobulin, the patient's condition gradually improved. He was ultimately discharged with a good prognosis. CONCLUSIONS: This report highlights a rare case of AIHA characterized by autoantibody with mimicking anti-D and anti-C specificity. Treatments of these patients could be antigen-negative red blood cells, glucocorticoid and immunoglobulin.
Assuntos
Anemia Hemolítica Autoimune , Autoanticorpos , Humanos , Anemia Hemolítica Autoimune/imunologia , Anemia Hemolítica Autoimune/diagnóstico , Anemia Hemolítica Autoimune/sangue , Masculino , Autoanticorpos/sangue , Autoanticorpos/imunologia , Pré-Escolar , Glucocorticoides/uso terapêutico , Hemissuccinato de Metilprednisolona/uso terapêuticoRESUMO
BACKGROUND: Anti-s is a rare alloantibody, and the reported cases of hemolytic disease of the fetus and newborn (HDFN) caused by anti-s are limited to non-Asian populations. METHODS: Here, we report the case of a Chinese woman with a history of multiple pregnancies who developed an alloantibody with anti-s specificity. RESULTS: Her newborn developed HDFN caused by anti-s but the clinical symptoms were not serious. After supportive treatment and bilirubin light phototherapy, the baby was discharged with a good prognosis. CONCLUSIONS: This is the first reported case of anti-s-induced HDFN in a Chinese patient, highlighting the need for further research in the Asian population.