TTP may be classified according to ADAMTS13 gene mutations and autoantibody  against  ADAMTS13 into two subtypes: herditary syndromes, aquired syndromes.
Thrombotic thrombocytopenic purpura classification
Immune Thrombocytopenia epidemiology and demographics
Glanzmann's thrombasthenia classification
Thrombotic thrombocytopenic purpura physical examination
Thrombotic thrombocytopenic purpura epidemiology and demographics
Thrombotic thrombocytopenic purpura laboratory findings
Thrombotic thrombocytopenic purpura risk factors
Glanzmann's thrombasthenia laboratory findings