RT Book, Section A1 Kaushansky, Kenneth A2 Kaushansky, Kenneth A2 Lichtman, Marshall A. A2 Prchal, Josef T. A2 Levi, Marcel M. A2 Press, Oliver W. A2 Burns, Linda J. A2 Caligiuri, Michael SR Print(0) ID 1121103219 T1 Reactive Thrombocytosis T2 Williams Hematology, 9e YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071833004 LK accessmedicine.mhmedical.com/content.aspx?aid=1121103219 RD 2024/04/19 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 causes of thrombocytosis.