Haematological involvement is common in systemic lupus erythematosus (SLE). Whilst
anaemia is most often due to chronic disease, other causes such as autoimmune haemolytic
anaemia and hypoplastic anaemia need to be considered. The increased risk of infection in
patients with SLE is due in part to changes in the white blood cells though treatments do not
yet aim to modify these. Thrombocytopenia occurs frequently and is almost invariably
autoimmune. It is often of little consequence, but may occasionally be severe and serious …