Essential Thrombocythemia: A Review of Diagnostic and Pathologic Features From: Archives of Pathology & Laboratory Medicine | Date: August 1, 2006| Author: Sanchez, Steven; Ewton, April | Copyright College of American Pathologists Aug 2006. Provided by ProQuest LLC.Copyright information

Context.-Essential thrombocythemia (ET) is a chronic myeloproliferative disorder (CMPD) characterized predominately by thrombocytosis and abnormal megakaryocyte proliferation.

The current diagnostic criteria require a combination of clinical, histologic, and cytogenetic data. The diagnosis relies largely on exclusion of other causes of thrombocytosis.

Objective.-Describe historical, clinical, and laboratory features of ET in order to understand, clarify, and more accurately diag...