Thrombocytosis pathophysiology: Difference between revisions
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==Overview== | ==Overview== | ||
== Pathophysiology== | == Pathophysiology== | ||
Thrombocytosis is either reactive or autonomous. In one study of 91 patients with platelet count > | Thrombocytosis is either reactive or autonomous. In one study of 91 patients with platelet count >600,000, 70% were reactive and 22% autonomous. In 280 patients with platelet count >1,000,000 82% were reactive and 14% were autonomous. 8% had both. Among reactive causes of thrombocytosis, infection (30%), Post-surgical (15%), Both (30%), Malignancy (10%), Post splenectomy (10%) and acute blood loss/iron deficiency (10%) are the most common causes. | ||
Autonomous causes of thrombocytosis include [[Essential Thrombocytosis]], [[Chronic Myelogenous Leukemia | Autonomous causes of thrombocytosis include [[Essential Thrombocytosis]], [[Chronic Myelogenous Leukemia]] (CML), [[Polycythemia Vera]], Agnogenic Myeloid Metaplasia and [[Myelodysplasia]]. The degree of thrombocytosis does not help determine whether the thrombocytosis is reactive or not. | ||
==References== | ==References== | ||
Revision as of 15:13, 13 August 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Pathophysiology
Thrombocytosis is either reactive or autonomous. In one study of 91 patients with platelet count >600,000, 70% were reactive and 22% autonomous. In 280 patients with platelet count >1,000,000 82% were reactive and 14% were autonomous. 8% had both. Among reactive causes of thrombocytosis, infection (30%), Post-surgical (15%), Both (30%), Malignancy (10%), Post splenectomy (10%) and acute blood loss/iron deficiency (10%) are the most common causes.
Autonomous causes of thrombocytosis include Essential Thrombocytosis, Chronic Myelogenous Leukemia (CML), Polycythemia Vera, Agnogenic Myeloid Metaplasia and Myelodysplasia. The degree of thrombocytosis does not help determine whether the thrombocytosis is reactive or not.