Antiphospholipid antibodies and splenic thrombosis in a patient with idiopathic myelofibrosis (antiphospholipid antibodies and thrombosis).

A case of idiopathic myelofibrosis and hepatosplenic myeloid metaplasia associated with antiphospholipids antibodies is described. The patient developed a lethal complete splenic vein thrombosis in spite of an intravenously heparin treatment had been started soon after a clinical pattern of "acute abdomen".