Thrombotic thrombocytopenic purpura

Abstract Thrombotic thrombocytopenic purpura (TTP) is a disease with a high rate of mortality if a proper treatment is not instated. Plasmapheresis with plasmatic exchange is the treatment of choice. Diagnosis is performed demonstrating microangiopathic hemolytic anemia, a negative direct Coombs test and thrombocytopenia. Among the clinical data, neurological and renal alterations stand out. When there is a reasonable suspicion in the diagnosis, plasmapheresis must be initiated immediately. There are different diseases that may be similar to the TTP signs and symptoms, especially in pregnant women. TTP has a high risk of relapse and may leave sequelae.