IgM Anti‐D as Auto‐Antibody in a Case of ‘Cold’ Auto‐Immune Haemolytic Anaemia

摘要

Abstract.A case is reported of an auto‐immune haemolytic anaemia caused by IgM anti‐D. This antibody, although active at 37 °C, gave stronger reactions at lower temperatures and appeared to activate complement. The auto‐immune haemolytic anaemia was probably secondary to a non‐Hodgkins