Essential Thrombocythemia, also known as essential thrombocytosis, is related to thrombocythemia 1 and acquired von willebrand syndrome. An important gene associated with Essential Thrombocythemia is MPL (MPL Proto-Oncogene, Thrombopoietin Receptor), and among its related pathways/superpathways are Innate Immune System and ERK Signaling. The drugs Benzocaine and Tannic acid have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and myeloid, and related phenotypes are myocardial infarction and venous thrombosis