Which physical findings are characteristic of thrombotic thrombocytopenic purpura (TTP)?

Updated: May 25, 2021
  • Author: Theodore Wun, MD, FACP; Chief Editor: Srikanth Nagalla, MD, MS, FACP  more...
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Patients with TTP or HUS have no characteristic physical findings. Findings upon examination depend on the severity of involvement of the target organ systems.

Hemolytic anemia and thrombocytopenia cause pallor, jaundice, and petechiae. Abnormal findings on neurologic examination consist of mental status changes and/or focal neurologic deficits. These defects can be evanescent and, thus, present as transient ischemic attacks. Organomegaly is not typical.

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