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Thrombocytosis is a topic covered in the Diagnosaurus.

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Emergency Central

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Reactive thrombocytosis (usually platelets <1,000,000)

  • Inflammatory disease, e.g., rheumatoid arthritis, ulcerative colitis
  • Chronic infection
  • Iron-deficiency anemia
  • Postsplenectomy (transient)
Myeloproliferative disorder
  • Essential thrombocytosis
  • Polycythemia vera
  • Chronic myelogenous leukemia
  • Myelofibrosis

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Last updated: December 1, 2014


Zeiger, Roni F.. "Thrombocytosis." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114658/all/Thrombocytosis.
Zeiger RF. Thrombocytosis. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114658/all/Thrombocytosis. Accessed April 26, 2019.
Zeiger, R. F. (2014). Thrombocytosis. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114658/all/Thrombocytosis
Zeiger RF. Thrombocytosis [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 26]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114658/all/Thrombocytosis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Thrombocytosis ID - 114658 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114658/all/Thrombocytosis PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -