Tehran University of Medical Sciences International Journal of Hematology-Oncology and Stem Cell Research 2008-2207 11 4 2017 10 01 293 295 EN Prabath Abeysundara Post graduate institute of Medicine, University of colombo, Colombo, Sri Lanka Inoshi Atukorala Faculty of Medicine, University of Colombo, Colombo, Sri Lanka K. C. Dalpatadu Faculty of Medicine, University of Colombo, Colombo, Sri Lanka Karthiha Balendran Post graduate institute of Medicine, University of Colombo, Colombo, Sri Lanka M. S. A. Dilrukshi Post graduate institute of medicine, University of Colombo, Colombo, Sri Lanka G O Fernando Post graduate institute of medicine, University of Colombo, Colombo, Sri Lanka 2016 09 06 2016 11 02 Thrombotic thrombocytopenic purpura is a rare thrombotic disease characterized by episodes of thrombocytopenia and microangiopathic hemolytic anemia due to disseminated microvascular thrombosis. Thrombotic thrombocytopenic purpura was first described in 1924 by Moschowitz as a disease presenting with a pentad of signs and symptoms (anemia, thrombocytopenia, fever, hemiparesis and hematuria). Previous studies have described atypical manifestations of thrombotic thrombocytopenic purpura such as hemolysis, anemia and thrombosis. https://ijhoscr.tums.ac.ir/index.php/ijhoscr/article/view/670 https://ijhoscr.tums.ac.ir/index.php/ijhoscr/article/download/670/579