Acquired hemophilia due to autoantibody to Factor VIII coagulant (Factor VIIIc) is a rare event which may be observed in patients with different autoimmune diseases. To our knowledge, this association has been reported only once in patients with autoimmune thyroid disease. Here we describe a patient presenting with a severe hemorrhagic disorder due to Factor VIIIc antibody in whom biochemical screening for thyroid diseases led to a diagnosis of hyperthyroid Graves' disease not associated to overt clinical features. This case underlines the importance of carrying out a complete screening for autoimmunity, including thyroid autoimmune disease, in all patients with apparently isolated serum Factor VIIIc inhibitors.
Apathetic Graves' disease and acquired hemophilia due to factor VIIIc antibody
MARONGIU, FRANCESCO;MARIOTTI, STEFANO
2002-01-01
Abstract
Acquired hemophilia due to autoantibody to Factor VIII coagulant (Factor VIIIc) is a rare event which may be observed in patients with different autoimmune diseases. To our knowledge, this association has been reported only once in patients with autoimmune thyroid disease. Here we describe a patient presenting with a severe hemorrhagic disorder due to Factor VIIIc antibody in whom biochemical screening for thyroid diseases led to a diagnosis of hyperthyroid Graves' disease not associated to overt clinical features. This case underlines the importance of carrying out a complete screening for autoimmunity, including thyroid autoimmune disease, in all patients with apparently isolated serum Factor VIIIc inhibitors.
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