Why was the term "immune thrombocytopenic purpura" abandoned?

Updated: Jan 11, 2020
  • Author: Craig M Kessler, MD, MACP; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Answer

Immune thrombocytopenia (ITP) was previously known as idiopathic thrombocytopenic purpura. The term "idiopathic" no longer applies, because the etiology is known: ITP is caused by a dysregulation of the immune system. The term "purpura" has been abandoned because it is misleading: almost one-third of patients with newly diagnosed ITP have no bleeding, despite their low platelet counts. [20]


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