RT Book, Section A1 Kaushansky, Kenneth A2 Kaushansky, Kenneth A2 Prchal, Josef T. A2 Burns, Linda J. A2 Lichtman, Marshall A. A2 Levi, Marcel A2 Linch, David C. SR Print(0) ID 1180468519 T1 Hereditary and Reactive Thrombocytosis T2 Williams Hematology, 10e YR 2021 FD 2021 PB McGraw-Hill Education PP New York, NY SN 9781260464122 LK accessmedicine.mhmedical.com/content.aspx?aid=1180468519 RD 2024/03/29 AB SUMMARYThe three major pathophysiologic causes of thrombocytosis are (1) clonal, including essential (or primary) thrombocythemia and other myeloproliferative neoplasms; (2) familial, including rare cases of nonclonal myeloproliferation resulting from thrombopoietin and thrombopoietin receptor mutations; and (3) reactive, in which thrombocytosis occurs secondary to a variety of acute and chronic clinical conditions. This chapter deals with the latter two causes of thrombocytosis.