PT - JOURNAL ARTICLE AU - Heesun J. Rogers AU - Charles Allen AU - Alan E. Lichtin TI - Thrombotic thrombocytopenic purpura: The role of ADAMTS13 AID - 10.3949/ccjm.83a.15009 DP - 2016 Aug 01 TA - Cleveland Clinic Journal of Medicine PG - 597--603 VI - 83 IP - 8 4099 - http://www.ccjm.org/content/83/8/597.short 4100 - http://www.ccjm.org/content/83/8/597.full SO - Cleve Clin J Med2016 Aug 01; 83 AB - Thrombotic thrombocytopenic purpura (TTP) is an uncommon, life-threatening disease requiring prompt diagnosis and initiation of therapeutic plasma exchange to improve patient survival. However, diagnosis is often difficult because of atypical presentations and signs and symptoms that resemble other conditions. Measurements of ADAMTS13 activity, ADAMTS13 inhibitor, and ADAMTS13 autoantibody are useful for diagnosing TTP, guiding therapy, and predicting relapse.