Acquired haemophilia in a patient with discoid lupus

Dear Editor, Acquired haemophilia A is a rare but potentially lifethreatening bleeding disorder caused by autoantibodies against the coagulation factor (F) VIII (FVIII inhibitor) which is in some cases associated with autoimmune diseases, solid tumours, haemotologic malignancies or can occur in the post-partum period. For further information concerning the pathophysiology of acquired haemophilia, please refer to [1].