Symptoms, Thrombocytosis

<p>Much less likely to occur in association with reactive thrombocytosis than autonomous thrombocytosis.</p>

<p>As an example, in a study of 280 consecutive patients with a platelet count <span class="nowrap">&gt;1,000,000/microL,</span> the rates of significant thrombosis and hemorrhage for patients with autonomous thrombocytosis were both 24 percent, while they were 1 and 3 percent, respectively, for patients with reactive thrombocytosis.</p>