Essential thrombocythemia is a myeloproliferative disorder responsible for both hemorrhagic and thrombotic complications mostly venous but also arterial, especially of the microcirculation. We report a 64-year-old female who presented with an aortic thrombus and splenic infarcts indicating essential thrombocythemia. Outcome was favourable with medical treatment combining low-molecular-weight heparin secondarily switched to warfarin, associated with aspirin and hydroxyurea.
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