Last updated: Tuesday, 30, November, 2010
|Key Information||Appropriate Tests|
Essential thrombocythaemia is a myeloproliferative disorder in which the haemopoietic stem cell proliferation leads to a predominant increase in platelet numbers, usually with neutrophilia.Myeloproliferative disorders
Thrombocytosis ± giant platelets
Thrombosis (arterial and venous)
Bleeding, especially from
Variable abnormalities of platelet function have been described.
The bleeding time does not predict spontaneous or surgical bleeding.
|See von Willebrand's disease (VWD)-acquired|
Disease progression or transformation
Uncommon ~5% in patients not exposed to alkylating agents.